Home / 982,795.43-1,474,201.35-272,878.83

Finding the Fourth Proportional to 982,795.43, 1,474,201.35 and 272,878.83

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Solution

The fourth proportional to 982,795.43, 1,474,201.35 and 272,878.83 is: 409,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,795.43 : 1,474,201.35 = 272,878.83 : x
  2. Step 2: Convert to fraction form
    982,795.43/1,474,201.35 = 272,878.83/x
  3. Step 3: Cross multiply
    982,795.43x = 1,474,201.35 × 272,878.83
  4. Step 4: Simplify right side
    982,795.43x = 402,278,339,572.42
  5. Step 5: Solve for x
    x = 402,278,339,572.42/982,795.43
  6. Step 6: Final answer
    x = 409,320.52

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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.