Home / 724,686.89-1,000,096.67-418,753.13

Finding the Fourth Proportional to 724,686.89, 1,000,096.67 and 418,753.13

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Solution

The fourth proportional to 724,686.89, 1,000,096.67 and 418,753.13 is: 577,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,686.89 : 1,000,096.67 = 418,753.13 : x
  2. Step 2: Convert to fraction form
    724,686.89/1,000,096.67 = 418,753.13/x
  3. Step 3: Cross multiply
    724,686.89x = 1,000,096.67 × 418,753.13
  4. Step 4: Simplify right side
    724,686.89x = 418,793,606,911.48
  5. Step 5: Solve for x
    x = 418,793,606,911.48/724,686.89
  6. Step 6: Final answer
    x = 577,895.94

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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.