Home / 889,560.59-1,334,328.92-215,647.70

Finding the Fourth Proportional to 889,560.59, 1,334,328.92 and 215,647.70

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Solution

The fourth proportional to 889,560.59, 1,334,328.92 and 215,647.70 is: 323,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,560.59 : 1,334,328.92 = 215,647.70 : x
  2. Step 2: Convert to fraction form
    889,560.59/1,334,328.92 = 215,647.70/x
  3. Step 3: Cross multiply
    889,560.59x = 1,334,328.92 × 215,647.70
  4. Step 4: Simplify right side
    889,560.59x = 287,744,959,895.33
  5. Step 5: Solve for x
    x = 287,744,959,895.33/889,560.59
  6. Step 6: Final answer
    x = 323,468.65

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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.