Home / 889,542.90-1,334,302.55-215,630.13

Finding the Fourth Proportional to 889,542.90, 1,334,302.55 and 215,630.13

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Solution

The fourth proportional to 889,542.90, 1,334,302.55 and 215,630.13 is: 323,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,542.90 : 1,334,302.55 = 215,630.13 : x
  2. Step 2: Convert to fraction form
    889,542.90/1,334,302.55 = 215,630.13/x
  3. Step 3: Cross multiply
    889,542.90x = 1,334,302.55 × 215,630.13
  4. Step 4: Simplify right side
    889,542.90x = 287,715,825,644.32
  5. Step 5: Solve for x
    x = 287,715,825,644.32/889,542.90
  6. Step 6: Final answer
    x = 323,442.33

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1.5x scale

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.