Home / 747,584.88-1,121,549.06-215,110.32

Finding the Fourth Proportional to 747,584.88, 1,121,549.06 and 215,110.32

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Solution

The fourth proportional to 747,584.88, 1,121,549.06 and 215,110.32 is: 322,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,584.88 : 1,121,549.06 = 215,110.32 : x
  2. Step 2: Convert to fraction form
    747,584.88/1,121,549.06 = 215,110.32/x
  3. Step 3: Cross multiply
    747,584.88x = 1,121,549.06 × 215,110.32
  4. Step 4: Simplify right side
    747,584.88x = 241,256,777,192.30
  5. Step 5: Solve for x
    x = 241,256,777,192.30/747,584.88
  6. Step 6: Final answer
    x = 322,714.90

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Double scale
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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.