Home / 521,801.55-720,162.27-292,374.36

Finding the Fourth Proportional to 521,801.55, 720,162.27 and 292,374.36

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Solution

The fourth proportional to 521,801.55, 720,162.27 and 292,374.36 is: 403,519.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,801.55 : 720,162.27 = 292,374.36 : x
  2. Step 2: Convert to fraction form
    521,801.55/720,162.27 = 292,374.36/x
  3. Step 3: Cross multiply
    521,801.55x = 720,162.27 × 292,374.36
  4. Step 4: Simplify right side
    521,801.55x = 210,556,982,787.40
  5. Step 5: Solve for x
    x = 210,556,982,787.40/521,801.55
  6. Step 6: Final answer
    x = 403,519.27

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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.