Home / 660,053.10-990,079.65-527,192.85

Finding the Fourth Proportional to 660,053.10, 990,079.65 and 527,192.85

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Solution

The fourth proportional to 660,053.10, 990,079.65 and 527,192.85 is: 790,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,053.10 : 990,079.65 = 527,192.85 : x
  2. Step 2: Convert to fraction form
    660,053.10/990,079.65 = 527,192.85/x
  3. Step 3: Cross multiply
    660,053.10x = 990,079.65 × 527,192.85
  4. Step 4: Simplify right side
    660,053.10x = 521,962,912,410.50
  5. Step 5: Solve for x
    x = 521,962,912,410.50/660,053.10
  6. Step 6: Final answer
    x = 790,789.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.