Home / 971,418.76-1,456,245.96-339,988.12

Finding the Fourth Proportional to 971,418.76, 1,456,245.96 and 339,988.12

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Solution

The fourth proportional to 971,418.76, 1,456,245.96 and 339,988.12 is: 509,673.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,418.76 : 1,456,245.96 = 339,988.12 : x
  2. Step 2: Convert to fraction form
    971,418.76/1,456,245.96 = 339,988.12/x
  3. Step 3: Cross multiply
    971,418.76x = 1,456,245.96 × 339,988.12
  4. Step 4: Simplify right side
    971,418.76x = 495,106,326,198.00
  5. Step 5: Solve for x
    x = 495,106,326,198.00/971,418.76
  6. Step 6: Final answer
    x = 509,673.42

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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.