Home / 982,764.72-1,474,155.33-272,848.12

Finding the Fourth Proportional to 982,764.72, 1,474,155.33 and 272,848.12

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Solution

The fourth proportional to 982,764.72, 1,474,155.33 and 272,848.12 is: 409,274.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,764.72 : 1,474,155.33 = 272,848.12 : x
  2. Step 2: Convert to fraction form
    982,764.72/1,474,155.33 = 272,848.12/x
  3. Step 3: Cross multiply
    982,764.72x = 1,474,155.33 × 272,848.12
  4. Step 4: Simplify right side
    982,764.72x = 402,220,501,643.46
  5. Step 5: Solve for x
    x = 402,220,501,643.46/982,764.72
  6. Step 6: Final answer
    x = 409,274.46

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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.