Home / 749,114.20-1,123,671.30-300,050.20

Finding the Fourth Proportional to 749,114.20, 1,123,671.30 and 300,050.20

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Solution

The fourth proportional to 749,114.20, 1,123,671.30 and 300,050.20 is: 450,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,114.20 : 1,123,671.30 = 300,050.20 : x
  2. Step 2: Convert to fraction form
    749,114.20/1,123,671.30 = 300,050.20/x
  3. Step 3: Cross multiply
    749,114.20x = 1,123,671.30 × 300,050.20
  4. Step 4: Simplify right side
    749,114.20x = 337,157,798,299.26
  5. Step 5: Solve for x
    x = 337,157,798,299.26/749,114.20
  6. Step 6: Final answer
    x = 450,075.30

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Half scale
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Double scale
Find fourth proportional to 749,115.20, 1,123,672.80 and 300,051.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.