Home / 889,545.90-1,334,307.04-215,633.12

Finding the Fourth Proportional to 889,545.90, 1,334,307.04 and 215,633.12

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Solution

The fourth proportional to 889,545.90, 1,334,307.04 and 215,633.12 is: 323,446.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,545.90 : 1,334,307.04 = 215,633.12 : x
  2. Step 2: Convert to fraction form
    889,545.90/1,334,307.04 = 215,633.12/x
  3. Step 3: Cross multiply
    889,545.90x = 1,334,307.04 × 215,633.12
  4. Step 4: Simplify right side
    889,545.90x = 287,720,790,073.17
  5. Step 5: Solve for x
    x = 287,720,790,073.17/889,545.90
  6. Step 6: Final answer
    x = 323,446.82

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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.