Home / 695,561.76-1,042,636.68-395,422.02

Finding the Fourth Proportional to 695,561.76, 1,042,636.68 and 395,422.02

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Solution

The fourth proportional to 695,561.76, 1,042,636.68 and 395,422.02 is: 592,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,561.76 : 1,042,636.68 = 395,422.02 : x
  2. Step 2: Convert to fraction form
    695,561.76/1,042,636.68 = 395,422.02/x
  3. Step 3: Cross multiply
    695,561.76x = 1,042,636.68 × 395,422.02
  4. Step 4: Simplify right side
    695,561.76x = 412,281,502,131.69
  5. Step 5: Solve for x
    x = 412,281,502,131.69/695,561.76
  6. Step 6: Final answer
    x = 592,731.70

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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.