Home / 976,952.42-1,347,521.01-687,178.58

Finding the Fourth Proportional to 976,952.42, 1,347,521.01 and 687,178.58

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Solution

The fourth proportional to 976,952.42, 1,347,521.01 and 687,178.58 is: 947,832.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,952.42 : 1,347,521.01 = 687,178.58 : x
  2. Step 2: Convert to fraction form
    976,952.42/1,347,521.01 = 687,178.58/x
  3. Step 3: Cross multiply
    976,952.42x = 1,347,521.01 × 687,178.58
  4. Step 4: Simplify right side
    976,952.42x = 925,987,574,171.97
  5. Step 5: Solve for x
    x = 925,987,574,171.97/976,952.42
  6. Step 6: Final answer
    x = 947,832.83

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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.