Home / 819,024.80-1,229,266.20-481,643.60

Finding the Fourth Proportional to 819,024.80, 1,229,266.20 and 481,643.60

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Solution

The fourth proportional to 819,024.80, 1,229,266.20 and 481,643.60 is: 722,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,024.80 : 1,229,266.20 = 481,643.60 : x
  2. Step 2: Convert to fraction form
    819,024.80/1,229,266.20 = 481,643.60/x
  3. Step 3: Cross multiply
    819,024.80x = 1,229,266.20 × 481,643.60
  4. Step 4: Simplify right side
    819,024.80x = 592,068,197,926.32
  5. Step 5: Solve for x
    x = 592,068,197,926.32/819,024.80
  6. Step 6: Final answer
    x = 722,894.10

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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.