Home / 724,875.17-1,000,828.10-453,065.15

Finding the Fourth Proportional to 724,875.17, 1,000,828.10 and 453,065.15

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Solution

The fourth proportional to 724,875.17, 1,000,828.10 and 453,065.15 is: 625,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,875.17 : 1,000,828.10 = 453,065.15 : x
  2. Step 2: Convert to fraction form
    724,875.17/1,000,828.10 = 453,065.15/x
  3. Step 3: Cross multiply
    724,875.17x = 1,000,828.10 × 453,065.15
  4. Step 4: Simplify right side
    724,875.17x = 453,440,336,885.45
  5. Step 5: Solve for x
    x = 453,440,336,885.45/724,875.17
  6. Step 6: Final answer
    x = 625,542.66

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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.