Home / 982,764.96-1,474,155.70-272,848.36

Finding the Fourth Proportional to 982,764.96, 1,474,155.70 and 272,848.36

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Solution

The fourth proportional to 982,764.96, 1,474,155.70 and 272,848.36 is: 409,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,764.96 : 1,474,155.70 = 272,848.36 : x
  2. Step 2: Convert to fraction form
    982,764.96/1,474,155.70 = 272,848.36/x
  3. Step 3: Cross multiply
    982,764.96x = 1,474,155.70 × 272,848.36
  4. Step 4: Simplify right side
    982,764.96x = 402,220,965,129.65
  5. Step 5: Solve for x
    x = 402,220,965,129.65/982,764.96
  6. Step 6: Final answer
    x = 409,274.83

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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.