Home / 894,565.89-1,342,140.44-421,299.09

Finding the Fourth Proportional to 894,565.89, 1,342,140.44 and 421,299.09

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Solution

The fourth proportional to 894,565.89, 1,342,140.44 and 421,299.09 is: 632,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,565.89 : 1,342,140.44 = 421,299.09 : x
  2. Step 2: Convert to fraction form
    894,565.89/1,342,140.44 = 421,299.09/x
  3. Step 3: Cross multiply
    894,565.89x = 1,342,140.44 × 421,299.09
  4. Step 4: Simplify right side
    894,565.89x = 565,442,543,917.70
  5. Step 5: Solve for x
    x = 565,442,543,917.70/894,565.89
  6. Step 6: Final answer
    x = 632,085.97

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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.