Home / 796,140.78-1,098,624.51-438,444.78

Finding the Fourth Proportional to 796,140.78, 1,098,624.51 and 438,444.78

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Solution

The fourth proportional to 796,140.78, 1,098,624.51 and 438,444.78 is: 605,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,140.78 : 1,098,624.51 = 438,444.78 : x
  2. Step 2: Convert to fraction form
    796,140.78/1,098,624.51 = 438,444.78/x
  3. Step 3: Cross multiply
    796,140.78x = 1,098,624.51 × 438,444.78
  4. Step 4: Simplify right side
    796,140.78x = 481,686,181,589.56
  5. Step 5: Solve for x
    x = 481,686,181,589.56/796,140.78
  6. Step 6: Final answer
    x = 605,026.39

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