Home / 938,147.81-1,295,279.48-594,288.86

Finding the Fourth Proportional to 938,147.81, 1,295,279.48 and 594,288.86

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Solution

The fourth proportional to 938,147.81, 1,295,279.48 and 594,288.86 is: 820,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,147.81 : 1,295,279.48 = 594,288.86 : x
  2. Step 2: Convert to fraction form
    938,147.81/1,295,279.48 = 594,288.86/x
  3. Step 3: Cross multiply
    938,147.81x = 1,295,279.48 × 594,288.86
  4. Step 4: Simplify right side
    938,147.81x = 769,770,160,559.92
  5. Step 5: Solve for x
    x = 769,770,160,559.92/938,147.81
  6. Step 6: Final answer
    x = 820,521.20

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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.