Home / 749,237.20-1,123,855.80-300,027.40

Finding the Fourth Proportional to 749,237.20, 1,123,855.80 and 300,027.40

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Solution

The fourth proportional to 749,237.20, 1,123,855.80 and 300,027.40 is: 450,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,237.20 : 1,123,855.80 = 300,027.40 : x
  2. Step 2: Convert to fraction form
    749,237.20/1,123,855.80 = 300,027.40/x
  3. Step 3: Cross multiply
    749,237.20x = 1,123,855.80 × 300,027.40
  4. Step 4: Simplify right side
    749,237.20x = 337,187,533,648.92
  5. Step 5: Solve for x
    x = 337,187,533,648.92/749,237.20
  6. Step 6: Final answer
    x = 450,041.10

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Half scale
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Double scale
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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.