Home / 921,884.32-1,272,283.92-559,400.02

Finding the Fourth Proportional to 921,884.32, 1,272,283.92 and 559,400.02

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Solution

The fourth proportional to 921,884.32, 1,272,283.92 and 559,400.02 is: 772,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,884.32 : 1,272,283.92 = 559,400.02 : x
  2. Step 2: Convert to fraction form
    921,884.32/1,272,283.92 = 559,400.02/x
  3. Step 3: Cross multiply
    921,884.32x = 1,272,283.92 × 559,400.02
  4. Step 4: Simplify right side
    921,884.32x = 711,715,650,293.68
  5. Step 5: Solve for x
    x = 711,715,650,293.68/921,884.32
  6. Step 6: Final answer
    x = 772,022.73

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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.