Home / 787,514.70-1,181,444.85-254,945.10

Finding the Fourth Proportional to 787,514.70, 1,181,444.85 and 254,945.10

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Solution

The fourth proportional to 787,514.70, 1,181,444.85 and 254,945.10 is: 382,473.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,514.70 : 1,181,444.85 = 254,945.10 : x
  2. Step 2: Convert to fraction form
    787,514.70/1,181,444.85 = 254,945.10/x
  3. Step 3: Cross multiply
    787,514.70x = 1,181,444.85 × 254,945.10
  4. Step 4: Simplify right side
    787,514.70x = 301,203,575,427.74
  5. Step 5: Solve for x
    x = 301,203,575,427.74/787,514.70
  6. Step 6: Final answer
    x = 382,473.59

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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.