Home / 749,216.20-1,123,824.30-300,006.40

Finding the Fourth Proportional to 749,216.20, 1,123,824.30 and 300,006.40

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Solution

The fourth proportional to 749,216.20, 1,123,824.30 and 300,006.40 is: 450,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,216.20 : 1,123,824.30 = 300,006.40 : x
  2. Step 2: Convert to fraction form
    749,216.20/1,123,824.30 = 300,006.40/x
  3. Step 3: Cross multiply
    749,216.20x = 1,123,824.30 × 300,006.40
  4. Step 4: Simplify right side
    749,216.20x = 337,154,482,475.52
  5. Step 5: Solve for x
    x = 337,154,482,475.52/749,216.20
  6. Step 6: Final answer
    x = 450,009.60

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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.