Home / 782,003.60-1,173,005.40-481,509.80

Finding the Fourth Proportional to 782,003.60, 1,173,005.40 and 481,509.80

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Solution

The fourth proportional to 782,003.60, 1,173,005.40 and 481,509.80 is: 722,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,003.60 : 1,173,005.40 = 481,509.80 : x
  2. Step 2: Convert to fraction form
    782,003.60/1,173,005.40 = 481,509.80/x
  3. Step 3: Cross multiply
    782,003.60x = 1,173,005.40 × 481,509.80
  4. Step 4: Simplify right side
    782,003.60x = 564,813,595,552.92
  5. Step 5: Solve for x
    x = 564,813,595,552.92/782,003.60
  6. Step 6: Final answer
    x = 722,264.70

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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.