Home / 976,474.31-1,464,001.72-408,018.11

Finding the Fourth Proportional to 976,474.31, 1,464,001.72 and 408,018.11

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Solution

The fourth proportional to 976,474.31, 1,464,001.72 and 408,018.11 is: 611,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,474.31 : 1,464,001.72 = 408,018.11 : x
  2. Step 2: Convert to fraction form
    976,474.31/1,464,001.72 = 408,018.11/x
  3. Step 3: Cross multiply
    976,474.31x = 1,464,001.72 × 408,018.11
  4. Step 4: Simplify right side
    976,474.31x = 597,339,215,873.66
  5. Step 5: Solve for x
    x = 597,339,215,873.66/976,474.31
  6. Step 6: Final answer
    x = 611,730.60

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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.