Home / 904,342.80-1,356,514.20-372,245.70

Finding the Fourth Proportional to 904,342.80, 1,356,514.20 and 372,245.70

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Solution

The fourth proportional to 904,342.80, 1,356,514.20 and 372,245.70 is: 558,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,342.80 : 1,356,514.20 = 372,245.70 : x
  2. Step 2: Convert to fraction form
    904,342.80/1,356,514.20 = 372,245.70/x
  3. Step 3: Cross multiply
    904,342.80x = 1,356,514.20 × 372,245.70
  4. Step 4: Simplify right side
    904,342.80x = 504,956,577,938.94
  5. Step 5: Solve for x
    x = 504,956,577,938.94/904,342.80
  6. Step 6: Final answer
    x = 558,368.55

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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.