Home / 653,852.32-902,391.80-381,988.17

Finding the Fourth Proportional to 653,852.32, 902,391.80 and 381,988.17

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Solution

The fourth proportional to 653,852.32, 902,391.80 and 381,988.17 is: 527,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,852.32 : 902,391.80 = 381,988.17 : x
  2. Step 2: Convert to fraction form
    653,852.32/902,391.80 = 381,988.17/x
  3. Step 3: Cross multiply
    653,852.32x = 902,391.80 × 381,988.17
  4. Step 4: Simplify right side
    653,852.32x = 344,702,996,643.95
  5. Step 5: Solve for x
    x = 344,702,996,643.95/653,852.32
  6. Step 6: Final answer
    x = 527,187.85

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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.