Home / 782,004.60-1,173,006.90-481,510.80

Finding the Fourth Proportional to 782,004.60, 1,173,006.90 and 481,510.80

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Solution

The fourth proportional to 782,004.60, 1,173,006.90 and 481,510.80 is: 722,266.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,004.60 : 1,173,006.90 = 481,510.80 : x
  2. Step 2: Convert to fraction form
    782,004.60/1,173,006.90 = 481,510.80/x
  3. Step 3: Cross multiply
    782,004.60x = 1,173,006.90 × 481,510.80
  4. Step 4: Simplify right side
    782,004.60x = 564,815,490,824.52
  5. Step 5: Solve for x
    x = 564,815,490,824.52/782,004.60
  6. Step 6: Final answer
    x = 722,266.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.