Home / 755,887.20-1,132,275.60-519,496.80

Finding the Fourth Proportional to 755,887.20, 1,132,275.60 and 519,496.80

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Solution

The fourth proportional to 755,887.20, 1,132,275.60 and 519,496.80 is: 778,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,887.20 : 1,132,275.60 = 519,496.80 : x
  2. Step 2: Convert to fraction form
    755,887.20/1,132,275.60 = 519,496.80/x
  3. Step 3: Cross multiply
    755,887.20x = 1,132,275.60 × 519,496.80
  4. Step 4: Simplify right side
    755,887.20x = 588,213,550,918.08
  5. Step 5: Solve for x
    x = 588,213,550,918.08/755,887.20
  6. Step 6: Final answer
    x = 778,176.36

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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.