Home / 835,474.01-1,253,148.72-266,915.18

Finding the Fourth Proportional to 835,474.01, 1,253,148.72 and 266,915.18

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Solution

The fourth proportional to 835,474.01, 1,253,148.72 and 266,915.18 is: 400,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,474.01 : 1,253,148.72 = 266,915.18 : x
  2. Step 2: Convert to fraction form
    835,474.01/1,253,148.72 = 266,915.18/x
  3. Step 3: Cross multiply
    835,474.01x = 1,253,148.72 × 266,915.18
  4. Step 4: Simplify right side
    835,474.01x = 334,484,409,899.83
  5. Step 5: Solve for x
    x = 334,484,409,899.83/835,474.01
  6. Step 6: Final answer
    x = 400,352.86

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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.