Home / 905,517.72-1,357,432.05-306,061.83

Finding the Fourth Proportional to 905,517.72, 1,357,432.05 and 306,061.83

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Solution

The fourth proportional to 905,517.72, 1,357,432.05 and 306,061.83 is: 458,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,517.72 : 1,357,432.05 = 306,061.83 : x
  2. Step 2: Convert to fraction form
    905,517.72/1,357,432.05 = 306,061.83/x
  3. Step 3: Cross multiply
    905,517.72x = 1,357,432.05 × 306,061.83
  4. Step 4: Simplify right side
    905,517.72x = 415,458,137,323.65
  5. Step 5: Solve for x
    x = 415,458,137,323.65/905,517.72
  6. Step 6: Final answer
    x = 458,807.30

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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.