Home / 931,756.46-1,397,665.76-257,781.29

Finding the Fourth Proportional to 931,756.46, 1,397,665.76 and 257,781.29

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Solution

The fourth proportional to 931,756.46, 1,397,665.76 and 257,781.29 is: 386,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,756.46 : 1,397,665.76 = 257,781.29 : x
  2. Step 2: Convert to fraction form
    931,756.46/1,397,665.76 = 257,781.29/x
  3. Step 3: Cross multiply
    931,756.46x = 1,397,665.76 × 257,781.29
  4. Step 4: Simplify right side
    931,756.46x = 360,292,074,324.40
  5. Step 5: Solve for x
    x = 360,292,074,324.40/931,756.46
  6. Step 6: Final answer
    x = 386,680.52

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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.