Home / 724,940.26-1,000,306.34-418,957.55

Finding the Fourth Proportional to 724,940.26, 1,000,306.34 and 418,957.55

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Solution

The fourth proportional to 724,940.26, 1,000,306.34 and 418,957.55 is: 578,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,940.26 : 1,000,306.34 = 418,957.55 : x
  2. Step 2: Convert to fraction form
    724,940.26/1,000,306.34 = 418,957.55/x
  3. Step 3: Cross multiply
    724,940.26x = 1,000,306.34 × 418,957.55
  4. Step 4: Simplify right side
    724,940.26x = 419,085,889,501.73
  5. Step 5: Solve for x
    x = 419,085,889,501.73/724,940.26
  6. Step 6: Final answer
    x = 578,097.14

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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.