Home / 752,552.95-1,128,817.96-521,528.80

Finding the Fourth Proportional to 752,552.95, 1,128,817.96 and 521,528.80

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Solution

The fourth proportional to 752,552.95, 1,128,817.96 and 521,528.80 is: 782,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,552.95 : 1,128,817.96 = 521,528.80 : x
  2. Step 2: Convert to fraction form
    752,552.95/1,128,817.96 = 521,528.80/x
  3. Step 3: Cross multiply
    752,552.95x = 1,128,817.96 × 521,528.80
  4. Step 4: Simplify right side
    752,552.95x = 588,711,076,097.25
  5. Step 5: Solve for x
    x = 588,711,076,097.25/752,552.95
  6. Step 6: Final answer
    x = 782,285.25

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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.