Home / 898,650.12-1,348,164.57-291,391.11

Finding the Fourth Proportional to 898,650.12, 1,348,164.57 and 291,391.11

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Solution

The fourth proportional to 898,650.12, 1,348,164.57 and 291,391.11 is: 437,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,650.12 : 1,348,164.57 = 291,391.11 : x
  2. Step 2: Convert to fraction form
    898,650.12/1,348,164.57 = 291,391.11/x
  3. Step 3: Cross multiply
    898,650.12x = 1,348,164.57 × 291,391.11
  4. Step 4: Simplify right side
    898,650.12x = 392,843,170,514.97
  5. Step 5: Solve for x
    x = 392,843,170,514.97/898,650.12
  6. Step 6: Final answer
    x = 437,148.08

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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.