Home / 873,273.60-1,205,031.78-491,292.18

Finding the Fourth Proportional to 873,273.60, 1,205,031.78 and 491,292.18

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Solution

The fourth proportional to 873,273.60, 1,205,031.78 and 491,292.18 is: 677,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,273.60 : 1,205,031.78 = 491,292.18 : x
  2. Step 2: Convert to fraction form
    873,273.60/1,205,031.78 = 491,292.18/x
  3. Step 3: Cross multiply
    873,273.60x = 1,205,031.78 × 491,292.18
  4. Step 4: Simplify right side
    873,273.60x = 592,022,690,165.48
  5. Step 5: Solve for x
    x = 592,022,690,165.48/873,273.60
  6. Step 6: Final answer
    x = 677,934.95

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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.