Home / 788,740.92-1,088,462.52-449,240.76

Finding the Fourth Proportional to 788,740.92, 1,088,462.52 and 449,240.76

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Solution

The fourth proportional to 788,740.92, 1,088,462.52 and 449,240.76 is: 619,952.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,740.92 : 1,088,462.52 = 449,240.76 : x
  2. Step 2: Convert to fraction form
    788,740.92/1,088,462.52 = 449,240.76/x
  3. Step 3: Cross multiply
    788,740.92x = 1,088,462.52 × 449,240.76
  4. Step 4: Simplify right side
    788,740.92x = 488,981,729,716.32
  5. Step 5: Solve for x
    x = 488,981,729,716.32/788,740.92
  6. Step 6: Final answer
    x = 619,952.28

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Double scale
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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.