Home / 717,344.16-1,076,011.92-218,708.16

Finding the Fourth Proportional to 717,344.16, 1,076,011.92 and 218,708.16

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Solution

The fourth proportional to 717,344.16, 1,076,011.92 and 218,708.16 is: 328,060.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,344.16 : 1,076,011.92 = 218,708.16 : x
  2. Step 2: Convert to fraction form
    717,344.16/1,076,011.92 = 218,708.16/x
  3. Step 3: Cross multiply
    717,344.16x = 1,076,011.92 × 218,708.16
  4. Step 4: Simplify right side
    717,344.16x = 235,332,587,161.27
  5. Step 5: Solve for x
    x = 235,332,587,161.27/717,344.16
  6. Step 6: Final answer
    x = 328,060.92

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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.