Home / 715,648.73-1,073,306.93-210,073.92

Finding the Fourth Proportional to 715,648.73, 1,073,306.93 and 210,073.92

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Solution

The fourth proportional to 715,648.73, 1,073,306.93 and 210,073.92 is: 315,062.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,648.73 : 1,073,306.93 = 210,073.92 : x
  2. Step 2: Convert to fraction form
    715,648.73/1,073,306.93 = 210,073.92/x
  3. Step 3: Cross multiply
    715,648.73x = 1,073,306.93 × 210,073.92
  4. Step 4: Simplify right side
    715,648.73x = 225,473,793,097.90
  5. Step 5: Solve for x
    x = 225,473,793,097.90/715,648.73
  6. Step 6: Final answer
    x = 315,062.10

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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.