Home / 866,101.20-1,299,300.84-297,455.28

Finding the Fourth Proportional to 866,101.20, 1,299,300.84 and 297,455.28

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Solution

The fourth proportional to 866,101.20, 1,299,300.84 and 297,455.28 is: 446,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,101.20 : 1,299,300.84 = 297,455.28 : x
  2. Step 2: Convert to fraction form
    866,101.20/1,299,300.84 = 297,455.28/x
  3. Step 3: Cross multiply
    866,101.20x = 1,299,300.84 × 297,455.28
  4. Step 4: Simplify right side
    866,101.20x = 386,483,895,166.44
  5. Step 5: Solve for x
    x = 386,483,895,166.44/866,101.20
  6. Step 6: Final answer
    x = 446,234.11

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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.