Home / 957,987.39-1,437,092.25-318,348.21

Finding the Fourth Proportional to 957,987.39, 1,437,092.25 and 318,348.21

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Solution

The fourth proportional to 957,987.39, 1,437,092.25 and 318,348.21 is: 477,559.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,987.39 : 1,437,092.25 = 318,348.21 : x
  2. Step 2: Convert to fraction form
    957,987.39/1,437,092.25 = 318,348.21/x
  3. Step 3: Cross multiply
    957,987.39x = 1,437,092.25 × 318,348.21
  4. Step 4: Simplify right side
    957,987.39x = 457,495,744,190.08
  5. Step 5: Solve for x
    x = 457,495,744,190.08/957,987.39
  6. Step 6: Final answer
    x = 477,559.26

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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.