Home / 866,079.20-1,298,427.60-367,032.80

Finding the Fourth Proportional to 866,079.20, 1,298,427.60 and 367,032.80

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Solution

The fourth proportional to 866,079.20, 1,298,427.60 and 367,032.80 is: 550,256.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,079.20 : 1,298,427.60 = 367,032.80 : x
  2. Step 2: Convert to fraction form
    866,079.20/1,298,427.60 = 367,032.80/x
  3. Step 3: Cross multiply
    866,079.20x = 1,298,427.60 × 367,032.80
  4. Step 4: Simplify right side
    866,079.20x = 476,565,517,625.28
  5. Step 5: Solve for x
    x = 476,565,517,625.28/866,079.20
  6. Step 6: Final answer
    x = 550,256.28

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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.