Home / 558,719.50-770,898.45-329,285.92

Finding the Fourth Proportional to 558,719.50, 770,898.45 and 329,285.92

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Solution

The fourth proportional to 558,719.50, 770,898.45 and 329,285.92 is: 454,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,719.50 : 770,898.45 = 329,285.92 : x
  2. Step 2: Convert to fraction form
    558,719.50/770,898.45 = 329,285.92/x
  3. Step 3: Cross multiply
    558,719.50x = 770,898.45 × 329,285.92
  4. Step 4: Simplify right side
    558,719.50x = 253,846,005,334.82
  5. Step 5: Solve for x
    x = 253,846,005,334.82/558,719.50
  6. Step 6: Final answer
    x = 454,335.32

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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.