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Finding the Fourth Proportional to 658,555.92, 908,807.04 and 356,749.92

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Solution

The fourth proportional to 658,555.92, 908,807.04 and 356,749.92 is: 492,314.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,555.92 : 908,807.04 = 356,749.92 : x
  2. Step 2: Convert to fraction form
    658,555.92/908,807.04 = 356,749.92/x
  3. Step 3: Cross multiply
    658,555.92x = 908,807.04 × 356,749.92
  4. Step 4: Simplify right side
    658,555.92x = 324,216,838,815.44
  5. Step 5: Solve for x
    x = 324,216,838,815.44/658,555.92
  6. Step 6: Final answer
    x = 492,314.82

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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.