Home / 717,966.40-1,076,560.80-296,766.40

Finding the Fourth Proportional to 717,966.40, 1,076,560.80 and 296,766.40

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Solution

The fourth proportional to 717,966.40, 1,076,560.80 and 296,766.40 is: 444,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,966.40 : 1,076,560.80 = 296,766.40 : x
  2. Step 2: Convert to fraction form
    717,966.40/1,076,560.80 = 296,766.40/x
  3. Step 3: Cross multiply
    717,966.40x = 1,076,560.80 × 296,766.40
  4. Step 4: Simplify right side
    717,966.40x = 319,487,072,997.12
  5. Step 5: Solve for x
    x = 319,487,072,997.12/717,966.40
  6. Step 6: Final answer
    x = 444,988.89

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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.