Home / 819,374.90-1,229,062.35-483,451.70

Finding the Fourth Proportional to 819,374.90, 1,229,062.35 and 483,451.70

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Solution

The fourth proportional to 819,374.90, 1,229,062.35 and 483,451.70 is: 725,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,374.90 : 1,229,062.35 = 483,451.70 : x
  2. Step 2: Convert to fraction form
    819,374.90/1,229,062.35 = 483,451.70/x
  3. Step 3: Cross multiply
    819,374.90x = 1,229,062.35 × 483,451.70
  4. Step 4: Simplify right side
    819,374.90x = 594,192,282,513.50
  5. Step 5: Solve for x
    x = 594,192,282,513.50/819,374.90
  6. Step 6: Final answer
    x = 725,177.55

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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.