Home / 526,766.64-726,760.04-342,921.28

Finding the Fourth Proportional to 526,766.64, 726,760.04 and 342,921.28

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Solution

The fourth proportional to 526,766.64, 726,760.04 and 342,921.28 is: 473,115.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,766.64 : 726,760.04 = 342,921.28 : x
  2. Step 2: Convert to fraction form
    526,766.64/726,760.04 = 342,921.28/x
  3. Step 3: Cross multiply
    526,766.64x = 726,760.04 × 342,921.28
  4. Step 4: Simplify right side
    526,766.64x = 249,221,481,455.05
  5. Step 5: Solve for x
    x = 249,221,481,455.05/526,766.64
  6. Step 6: Final answer
    x = 473,115.54

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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.