Home / 691,032.72-1,036,679.76-270,282

Finding the Fourth Proportional to 691,032.72, 1,036,679.76 and 270,282

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Solution

The fourth proportional to 691,032.72, 1,036,679.76 and 270,282 is: 405,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,032.72 : 1,036,679.76 = 270,282 : x
  2. Step 2: Convert to fraction form
    691,032.72/1,036,679.76 = 270,282/x
  3. Step 3: Cross multiply
    691,032.72x = 1,036,679.76 × 270,282
  4. Step 4: Simplify right side
    691,032.72x = 280,195,878,892.32
  5. Step 5: Solve for x
    x = 280,195,878,892.32/691,032.72
  6. Step 6: Final answer
    x = 405,474.11

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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.