Home / 837,982.42-1,257,047.75-238,930.72

Finding the Fourth Proportional to 837,982.42, 1,257,047.75 and 238,930.72

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Solution

The fourth proportional to 837,982.42, 1,257,047.75 and 238,930.72 is: 358,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,982.42 : 1,257,047.75 = 238,930.72 : x
  2. Step 2: Convert to fraction form
    837,982.42/1,257,047.75 = 238,930.72/x
  3. Step 3: Cross multiply
    837,982.42x = 1,257,047.75 × 238,930.72
  4. Step 4: Simplify right side
    837,982.42x = 300,347,321,436.59
  5. Step 5: Solve for x
    x = 300,347,321,436.59/837,982.42
  6. Step 6: Final answer
    x = 358,417.21

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1.5x scale

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.