Home / 651,158.80-976,738.20-336,230.80

Finding the Fourth Proportional to 651,158.80, 976,738.20 and 336,230.80

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Solution

The fourth proportional to 651,158.80, 976,738.20 and 336,230.80 is: 504,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,158.80 : 976,738.20 = 336,230.80 : x
  2. Step 2: Convert to fraction form
    651,158.80/976,738.20 = 336,230.80/x
  3. Step 3: Cross multiply
    651,158.80x = 976,738.20 × 336,230.80
  4. Step 4: Simplify right side
    651,158.80x = 328,409,466,376.56
  5. Step 5: Solve for x
    x = 328,409,466,376.56/651,158.80
  6. Step 6: Final answer
    x = 504,346.20

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Half scale
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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.