Home / 979,514.88-1,351,626.76-549,842.28

Finding the Fourth Proportional to 979,514.88, 1,351,626.76 and 549,842.28

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Solution

The fourth proportional to 979,514.88, 1,351,626.76 and 549,842.28 is: 758,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,514.88 : 1,351,626.76 = 549,842.28 : x
  2. Step 2: Convert to fraction form
    979,514.88/1,351,626.76 = 549,842.28/x
  3. Step 3: Cross multiply
    979,514.88x = 1,351,626.76 × 549,842.28
  4. Step 4: Simplify right side
    979,514.88x = 743,181,539,427.41
  5. Step 5: Solve for x
    x = 743,181,539,427.41/979,514.88
  6. Step 6: Final answer
    x = 758,724.09

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.