Home / 724,885.29-1,000,283.18-418,981.50

Finding the Fourth Proportional to 724,885.29, 1,000,283.18 and 418,981.50

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Solution

The fourth proportional to 724,885.29, 1,000,283.18 and 418,981.50 is: 578,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,885.29 : 1,000,283.18 = 418,981.50 : x
  2. Step 2: Convert to fraction form
    724,885.29/1,000,283.18 = 418,981.50/x
  3. Step 3: Cross multiply
    724,885.29x = 1,000,283.18 × 418,981.50
  4. Step 4: Simplify right side
    724,885.29x = 419,100,145,086.26
  5. Step 5: Solve for x
    x = 419,100,145,086.26/724,885.29
  6. Step 6: Final answer
    x = 578,160.64

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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.