Home / 989,236.48-1,365,177.30-559,508.24

Finding the Fourth Proportional to 989,236.48, 1,365,177.30 and 559,508.24

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Solution

The fourth proportional to 989,236.48, 1,365,177.30 and 559,508.24 is: 772,138.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,236.48 : 1,365,177.30 = 559,508.24 : x
  2. Step 2: Convert to fraction form
    989,236.48/1,365,177.30 = 559,508.24/x
  3. Step 3: Cross multiply
    989,236.48x = 1,365,177.30 × 559,508.24
  4. Step 4: Simplify right side
    989,236.48x = 763,827,948,410.95
  5. Step 5: Solve for x
    x = 763,827,948,410.95/989,236.48
  6. Step 6: Final answer
    x = 772,138.88

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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.