Home / 820,138.92-1,131,824.52-457,594.46

Finding the Fourth Proportional to 820,138.92, 1,131,824.52 and 457,594.46

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Solution

The fourth proportional to 820,138.92, 1,131,824.52 and 457,594.46 is: 631,498.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,138.92 : 1,131,824.52 = 457,594.46 : x
  2. Step 2: Convert to fraction form
    820,138.92/1,131,824.52 = 457,594.46/x
  3. Step 3: Cross multiply
    820,138.92x = 1,131,824.52 × 457,594.46
  4. Step 4: Simplify right side
    820,138.92x = 517,916,633,708.91
  5. Step 5: Solve for x
    x = 517,916,633,708.91/820,138.92
  6. Step 6: Final answer
    x = 631,498.66

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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.