Home / 866,425.90-1,298,765.41-361,265.82

Finding the Fourth Proportional to 866,425.90, 1,298,765.41 and 361,265.82

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Solution

The fourth proportional to 866,425.90, 1,298,765.41 and 361,265.82 is: 541,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,425.90 : 1,298,765.41 = 361,265.82 : x
  2. Step 2: Convert to fraction form
    866,425.90/1,298,765.41 = 361,265.82/x
  3. Step 3: Cross multiply
    866,425.90x = 1,298,765.41 × 361,265.82
  4. Step 4: Simplify right side
    866,425.90x = 469,199,550,831.29
  5. Step 5: Solve for x
    x = 469,199,550,831.29/866,425.90
  6. Step 6: Final answer
    x = 541,534.54

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1.5x scale

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.