Home / 653,853.32-902,393.18-381,989.17

Finding the Fourth Proportional to 653,853.32, 902,393.18 and 381,989.17

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Solution

The fourth proportional to 653,853.32, 902,393.18 and 381,989.17 is: 527,189.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,853.32 : 902,393.18 = 381,989.17 : x
  2. Step 2: Convert to fraction form
    653,853.32/902,393.18 = 381,989.17/x
  3. Step 3: Cross multiply
    653,853.32x = 902,393.18 × 381,989.17
  4. Step 4: Simplify right side
    653,853.32x = 344,704,421,841.86
  5. Step 5: Solve for x
    x = 344,704,421,841.86/653,853.32
  6. Step 6: Final answer
    x = 527,189.22

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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.