Home / 668,565.76-1,002,209.28-247,728.64

Finding the Fourth Proportional to 668,565.76, 1,002,209.28 and 247,728.64

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Solution

The fourth proportional to 668,565.76, 1,002,209.28 and 247,728.64 is: 371,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,565.76 : 1,002,209.28 = 247,728.64 : x
  2. Step 2: Convert to fraction form
    668,565.76/1,002,209.28 = 247,728.64/x
  3. Step 3: Cross multiply
    668,565.76x = 1,002,209.28 × 247,728.64
  4. Step 4: Simplify right side
    668,565.76x = 248,275,941,929.78
  5. Step 5: Solve for x
    x = 248,275,941,929.78/668,565.76
  6. Step 6: Final answer
    x = 371,356.05

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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.