Home / 888,345.47-1,225,916.75-480,447.31

Finding the Fourth Proportional to 888,345.47, 1,225,916.75 and 480,447.31

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Solution

The fourth proportional to 888,345.47, 1,225,916.75 and 480,447.31 is: 663,017.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,345.47 : 1,225,916.75 = 480,447.31 : x
  2. Step 2: Convert to fraction form
    888,345.47/1,225,916.75 = 480,447.31/x
  3. Step 3: Cross multiply
    888,345.47x = 1,225,916.75 × 480,447.31
  4. Step 4: Simplify right side
    888,345.47x = 588,988,410,428.20
  5. Step 5: Solve for x
    x = 588,988,410,428.20/888,345.47
  6. Step 6: Final answer
    x = 663,017.29

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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.