Home / 650,405.08-897,451.94-408,515.36

Finding the Fourth Proportional to 650,405.08, 897,451.94 and 408,515.36

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Solution

The fourth proportional to 650,405.08, 897,451.94 and 408,515.36 is: 563,683.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,405.08 : 897,451.94 = 408,515.36 : x
  2. Step 2: Convert to fraction form
    650,405.08/897,451.94 = 408,515.36/x
  3. Step 3: Cross multiply
    650,405.08x = 897,451.94 × 408,515.36
  4. Step 4: Simplify right side
    650,405.08x = 366,622,898,885.83
  5. Step 5: Solve for x
    x = 366,622,898,885.83/650,405.08
  6. Step 6: Final answer
    x = 563,683.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.