Home / 755,118.10-1,042,087.17-432,889.30

Finding the Fourth Proportional to 755,118.10, 1,042,087.17 and 432,889.30

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Solution

The fourth proportional to 755,118.10, 1,042,087.17 and 432,889.30 is: 597,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,118.10 : 1,042,087.17 = 432,889.30 : x
  2. Step 2: Convert to fraction form
    755,118.10/1,042,087.17 = 432,889.30/x
  3. Step 3: Cross multiply
    755,118.10x = 1,042,087.17 × 432,889.30
  4. Step 4: Simplify right side
    755,118.10x = 451,108,385,560.28
  5. Step 5: Solve for x
    x = 451,108,385,560.28/755,118.10
  6. Step 6: Final answer
    x = 597,401.10

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Double scale
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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.