Home / 913,052.69-1,369,751.16-281,818.88

Finding the Fourth Proportional to 913,052.69, 1,369,751.16 and 281,818.88

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Solution

The fourth proportional to 913,052.69, 1,369,751.16 and 281,818.88 is: 422,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,052.69 : 1,369,751.16 = 281,818.88 : x
  2. Step 2: Convert to fraction form
    913,052.69/1,369,751.16 = 281,818.88/x
  3. Step 3: Cross multiply
    913,052.69x = 1,369,751.16 × 281,818.88
  4. Step 4: Simplify right side
    913,052.69x = 386,021,737,789.90
  5. Step 5: Solve for x
    x = 386,021,737,789.90/913,052.69
  6. Step 6: Final answer
    x = 422,781.45

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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.