Home / 752,520.60-1,038,478.44-450,714.60

Finding the Fourth Proportional to 752,520.60, 1,038,478.44 and 450,714.60

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Solution

The fourth proportional to 752,520.60, 1,038,478.44 and 450,714.60 is: 621,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,520.60 : 1,038,478.44 = 450,714.60 : x
  2. Step 2: Convert to fraction form
    752,520.60/1,038,478.44 = 450,714.60/x
  3. Step 3: Cross multiply
    752,520.60x = 1,038,478.44 × 450,714.60
  4. Step 4: Simplify right side
    752,520.60x = 468,057,387,247.26
  5. Step 5: Solve for x
    x = 468,057,387,247.26/752,520.60
  6. Step 6: Final answer
    x = 621,986.15

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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.