Home / 782,180.89-1,079,253.61-476,052.22

Finding the Fourth Proportional to 782,180.89, 1,079,253.61 and 476,052.22

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Solution

The fourth proportional to 782,180.89, 1,079,253.61 and 476,052.22 is: 656,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,180.89 : 1,079,253.61 = 476,052.22 : x
  2. Step 2: Convert to fraction form
    782,180.89/1,079,253.61 = 476,052.22/x
  3. Step 3: Cross multiply
    782,180.89x = 1,079,253.61 × 476,052.22
  4. Step 4: Simplify right side
    782,180.89x = 513,781,076,983.51
  5. Step 5: Solve for x
    x = 513,781,076,983.51/782,180.89
  6. Step 6: Final answer
    x = 656,857.11

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.