Home / 717,760.59-1,076,584.34-312,943.24

Finding the Fourth Proportional to 717,760.59, 1,076,584.34 and 312,943.24

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Solution

The fourth proportional to 717,760.59, 1,076,584.34 and 312,943.24 is: 469,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,760.59 : 1,076,584.34 = 312,943.24 : x
  2. Step 2: Convert to fraction form
    717,760.59/1,076,584.34 = 312,943.24/x
  3. Step 3: Cross multiply
    717,760.59x = 1,076,584.34 × 312,943.24
  4. Step 4: Simplify right side
    717,760.59x = 336,909,791,492.86
  5. Step 5: Solve for x
    x = 336,909,791,492.86/717,760.59
  6. Step 6: Final answer
    x = 469,390.21

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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.