Home / 480,979.47-721,567.61-165,395.39

Finding the Fourth Proportional to 480,979.47, 721,567.61 and 165,395.39

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Solution

The fourth proportional to 480,979.47, 721,567.61 and 165,395.39 is: 248,126.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,979.47 : 721,567.61 = 165,395.39 : x
  2. Step 2: Convert to fraction form
    480,979.47/721,567.61 = 165,395.39/x
  3. Step 3: Cross multiply
    480,979.47x = 721,567.61 × 165,395.39
  4. Step 4: Simplify right side
    480,979.47x = 119,343,955,440.34
  5. Step 5: Solve for x
    x = 119,343,955,440.34/480,979.47
  6. Step 6: Final answer
    x = 248,126.92

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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.