Home / 724,294.58-999,576.87-418,474.22

Finding the Fourth Proportional to 724,294.58, 999,576.87 and 418,474.22

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Solution

The fourth proportional to 724,294.58, 999,576.87 and 418,474.22 is: 577,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,294.58 : 999,576.87 = 418,474.22 : x
  2. Step 2: Convert to fraction form
    724,294.58/999,576.87 = 418,474.22/x
  3. Step 3: Cross multiply
    724,294.58x = 999,576.87 × 418,474.22
  4. Step 4: Simplify right side
    724,294.58x = 418,297,151,003.29
  5. Step 5: Solve for x
    x = 418,297,151,003.29/724,294.58
  6. Step 6: Final answer
    x = 577,523.51

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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.