Home / 765,080.80-1,147,621.20-632,111.20

Finding the Fourth Proportional to 765,080.80, 1,147,621.20 and 632,111.20

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Solution

The fourth proportional to 765,080.80, 1,147,621.20 and 632,111.20 is: 948,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,080.80 : 1,147,621.20 = 632,111.20 : x
  2. Step 2: Convert to fraction form
    765,080.80/1,147,621.20 = 632,111.20/x
  3. Step 3: Cross multiply
    765,080.80x = 1,147,621.20 × 632,111.20
  4. Step 4: Simplify right side
    765,080.80x = 725,424,213,877.44
  5. Step 5: Solve for x
    x = 725,424,213,877.44/765,080.80
  6. Step 6: Final answer
    x = 948,166.80

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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.