Home / 724,281.15-999,612.12-433,905.13

Finding the Fourth Proportional to 724,281.15, 999,612.12 and 433,905.13

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Solution

The fourth proportional to 724,281.15, 999,612.12 and 433,905.13 is: 598,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,281.15 : 999,612.12 = 433,905.13 : x
  2. Step 2: Convert to fraction form
    724,281.15/999,612.12 = 433,905.13/x
  3. Step 3: Cross multiply
    724,281.15x = 999,612.12 × 433,905.13
  4. Step 4: Simplify right side
    724,281.15x = 433,736,824,708.65
  5. Step 5: Solve for x
    x = 433,736,824,708.65/724,281.15
  6. Step 6: Final answer
    x = 598,851.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.