Home / 1,010,337.20-1,515,716.40-336,627.80

Finding the Fourth Proportional to 1,010,337.20, 1,515,716.40 and 336,627.80

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Solution

The fourth proportional to 1,010,337.20, 1,515,716.40 and 336,627.80 is: 505,011.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,337.20 : 1,515,716.40 = 336,627.80 : x
  2. Step 2: Convert to fraction form
    1,010,337.20/1,515,716.40 = 336,627.80/x
  3. Step 3: Cross multiply
    1,010,337.20x = 1,515,716.40 × 336,627.80
  4. Step 4: Simplify right side
    1,010,337.20x = 510,232,277,155.92
  5. Step 5: Solve for x
    x = 510,232,277,155.92/1,010,337.20
  6. Step 6: Final answer
    x = 505,011.87

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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.