Home / 547,258.20-819,332.10-485,050.20

Finding the Fourth Proportional to 547,258.20, 819,332.10 and 485,050.20

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Solution

The fourth proportional to 547,258.20, 819,332.10 and 485,050.20 is: 726,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,258.20 : 819,332.10 = 485,050.20 : x
  2. Step 2: Convert to fraction form
    547,258.20/819,332.10 = 485,050.20/x
  3. Step 3: Cross multiply
    547,258.20x = 819,332.10 × 485,050.20
  4. Step 4: Simplify right side
    547,258.20x = 397,417,198,971.42
  5. Step 5: Solve for x
    x = 397,417,198,971.42/547,258.20
  6. Step 6: Final answer
    x = 726,196.88

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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.