Home / 913,995.32-1,370,098.10-381,668.58

Finding the Fourth Proportional to 913,995.32, 1,370,098.10 and 381,668.58

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Solution

The fourth proportional to 913,995.32, 1,370,098.10 and 381,668.58 is: 572,129.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,995.32 : 1,370,098.10 = 381,668.58 : x
  2. Step 2: Convert to fraction form
    913,995.32/1,370,098.10 = 381,668.58/x
  3. Step 3: Cross multiply
    913,995.32x = 1,370,098.10 × 381,668.58
  4. Step 4: Simplify right side
    913,995.32x = 522,923,397,241.87
  5. Step 5: Solve for x
    x = 522,923,397,241.87/913,995.32
  6. Step 6: Final answer
    x = 572,129.19

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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.