Home / 749,288.50-1,034,016.03-405,122.02

Finding the Fourth Proportional to 749,288.50, 1,034,016.03 and 405,122.02

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Solution

The fourth proportional to 749,288.50, 1,034,016.03 and 405,122.02 is: 559,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,288.50 : 1,034,016.03 = 405,122.02 : x
  2. Step 2: Convert to fraction form
    749,288.50/1,034,016.03 = 405,122.02/x
  3. Step 3: Cross multiply
    749,288.50x = 1,034,016.03 × 405,122.02
  4. Step 4: Simplify right side
    749,288.50x = 418,902,660,306.12
  5. Step 5: Solve for x
    x = 418,902,660,306.12/749,288.50
  6. Step 6: Final answer
    x = 559,067.25

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1.5x scale

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.