Home / 866,032.80-1,299,859.20-439,873.44

Finding the Fourth Proportional to 866,032.80, 1,299,859.20 and 439,873.44

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Solution

The fourth proportional to 866,032.80, 1,299,859.20 and 439,873.44 is: 660,221.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,032.80 : 1,299,859.20 = 439,873.44 : x
  2. Step 2: Convert to fraction form
    866,032.80/1,299,859.20 = 439,873.44/x
  3. Step 3: Cross multiply
    866,032.80x = 1,299,859.20 × 439,873.44
  4. Step 4: Simplify right side
    866,032.80x = 571,773,537,819.65
  5. Step 5: Solve for x
    x = 571,773,537,819.65/866,032.80
  6. Step 6: Final answer
    x = 660,221.57

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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.