Home / 866,035.24-1,298,720.72-297,310.36

Finding the Fourth Proportional to 866,035.24, 1,298,720.72 and 297,310.36

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Solution

The fourth proportional to 866,035.24, 1,298,720.72 and 297,310.36 is: 445,851.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,035.24 : 1,298,720.72 = 297,310.36 : x
  2. Step 2: Convert to fraction form
    866,035.24/1,298,720.72 = 297,310.36/x
  3. Step 3: Cross multiply
    866,035.24x = 1,298,720.72 × 297,310.36
  4. Step 4: Simplify right side
    866,035.24x = 386,123,124,802.66
  5. Step 5: Solve for x
    x = 386,123,124,802.66/866,035.24
  6. Step 6: Final answer
    x = 445,851.52

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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.