Home / 749,776.60-1,123,304.10-433,293.40

Finding the Fourth Proportional to 749,776.60, 1,123,304.10 and 433,293.40

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Solution

The fourth proportional to 749,776.60, 1,123,304.10 and 433,293.40 is: 649,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,776.60 : 1,123,304.10 = 433,293.40 : x
  2. Step 2: Convert to fraction form
    749,776.60/1,123,304.10 = 433,293.40/x
  3. Step 3: Cross multiply
    749,776.60x = 1,123,304.10 × 433,293.40
  4. Step 4: Simplify right side
    749,776.60x = 486,720,252,722.94
  5. Step 5: Solve for x
    x = 486,720,252,722.94/749,776.60
  6. Step 6: Final answer
    x = 649,153.70

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Double scale
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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.