Home / 866,442.17-1,299,109.64-416,267.34

Finding the Fourth Proportional to 866,442.17, 1,299,109.64 and 416,267.34

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Solution

The fourth proportional to 866,442.17, 1,299,109.64 and 416,267.34 is: 624,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,442.17 : 1,299,109.64 = 416,267.34 : x
  2. Step 2: Convert to fraction form
    866,442.17/1,299,109.64 = 416,267.34/x
  3. Step 3: Cross multiply
    866,442.17x = 1,299,109.64 × 416,267.34
  4. Step 4: Simplify right side
    866,442.17x = 540,776,912,129.82
  5. Step 5: Solve for x
    x = 540,776,912,129.82/866,442.17
  6. Step 6: Final answer
    x = 624,135.04

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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.