Home / 722,710.80-1,084,066.20-648,061.20

Finding the Fourth Proportional to 722,710.80, 1,084,066.20 and 648,061.20

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Solution

The fourth proportional to 722,710.80, 1,084,066.20 and 648,061.20 is: 972,091.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,710.80 : 1,084,066.20 = 648,061.20 : x
  2. Step 2: Convert to fraction form
    722,710.80/1,084,066.20 = 648,061.20/x
  3. Step 3: Cross multiply
    722,710.80x = 1,084,066.20 × 648,061.20
  4. Step 4: Simplify right side
    722,710.80x = 702,541,242,451.44
  5. Step 5: Solve for x
    x = 702,541,242,451.44/722,710.80
  6. Step 6: Final answer
    x = 972,091.80

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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.