Home / 717,587.20-1,076,380.80-296,723.20

Finding the Fourth Proportional to 717,587.20, 1,076,380.80 and 296,723.20

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Solution

The fourth proportional to 717,587.20, 1,076,380.80 and 296,723.20 is: 445,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,587.20 : 1,076,380.80 = 296,723.20 : x
  2. Step 2: Convert to fraction form
    717,587.20/1,076,380.80 = 296,723.20/x
  3. Step 3: Cross multiply
    717,587.20x = 1,076,380.80 × 296,723.20
  4. Step 4: Simplify right side
    717,587.20x = 319,387,155,394.56
  5. Step 5: Solve for x
    x = 319,387,155,394.56/717,587.20
  6. Step 6: Final answer
    x = 445,084.80

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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.