Home / 695,422.80-1,043,134.20-577,324.80

Finding the Fourth Proportional to 695,422.80, 1,043,134.20 and 577,324.80

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Solution

The fourth proportional to 695,422.80, 1,043,134.20 and 577,324.80 is: 865,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,422.80 : 1,043,134.20 = 577,324.80 : x
  2. Step 2: Convert to fraction form
    695,422.80/1,043,134.20 = 577,324.80/x
  3. Step 3: Cross multiply
    695,422.80x = 1,043,134.20 × 577,324.80
  4. Step 4: Simplify right side
    695,422.80x = 602,227,243,388.16
  5. Step 5: Solve for x
    x = 602,227,243,388.16/695,422.80
  6. Step 6: Final answer
    x = 865,987.20

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Double scale
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Similar ratio
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1.5x scale

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.