Home / 927,221.48-1,279,275.10-519,268.22

Finding the Fourth Proportional to 927,221.48, 1,279,275.10 and 519,268.22

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Solution

The fourth proportional to 927,221.48, 1,279,275.10 and 519,268.22 is: 716,427.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,221.48 : 1,279,275.10 = 519,268.22 : x
  2. Step 2: Convert to fraction form
    927,221.48/1,279,275.10 = 519,268.22/x
  3. Step 3: Cross multiply
    927,221.48x = 1,279,275.10 × 519,268.22
  4. Step 4: Simplify right side
    927,221.48x = 664,286,897,670.95
  5. Step 5: Solve for x
    x = 664,286,897,670.95/927,221.48
  6. Step 6: Final answer
    x = 716,427.43

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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.