Home / 480,641.24-721,316.64-227,922.56

Finding the Fourth Proportional to 480,641.24, 721,316.64 and 227,922.56

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Solution

The fourth proportional to 480,641.24, 721,316.64 and 227,922.56 is: 342,052.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,641.24 : 721,316.64 = 227,922.56 : x
  2. Step 2: Convert to fraction form
    480,641.24/721,316.64 = 227,922.56/x
  3. Step 3: Cross multiply
    480,641.24x = 721,316.64 × 227,922.56
  4. Step 4: Simplify right side
    480,641.24x = 164,404,335,112.46
  5. Step 5: Solve for x
    x = 164,404,335,112.46/480,641.24
  6. Step 6: Final answer
    x = 342,052.08

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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.