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Finding the Fourth Proportional to 560,326.31, 840,489.46 and 309,202.92

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Solution

The fourth proportional to 560,326.31, 840,489.46 and 309,202.92 is: 463,804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,326.31 : 840,489.46 = 309,202.92 : x
  2. Step 2: Convert to fraction form
    560,326.31/840,489.46 = 309,202.92/x
  3. Step 3: Cross multiply
    560,326.31x = 840,489.46 × 309,202.92
  4. Step 4: Simplify right side
    560,326.31x = 259,881,796,227.48
  5. Step 5: Solve for x
    x = 259,881,796,227.48/560,326.31
  6. Step 6: Final answer
    x = 463,804.38

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Similar ratio
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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.