Home / 651,023.80-976,535.70-276,998.20

Finding the Fourth Proportional to 651,023.80, 976,535.70 and 276,998.20

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Solution

The fourth proportional to 651,023.80, 976,535.70 and 276,998.20 is: 415,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,023.80 : 976,535.70 = 276,998.20 : x
  2. Step 2: Convert to fraction form
    651,023.80/976,535.70 = 276,998.20/x
  3. Step 3: Cross multiply
    651,023.80x = 976,535.70 × 276,998.20
  4. Step 4: Simplify right side
    651,023.80x = 270,498,631,135.74
  5. Step 5: Solve for x
    x = 270,498,631,135.74/651,023.80
  6. Step 6: Final answer
    x = 415,497.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.