Home / 971,404.74-1,456,224.99-339,974.10

Finding the Fourth Proportional to 971,404.74, 1,456,224.99 and 339,974.10

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Solution

The fourth proportional to 971,404.74, 1,456,224.99 and 339,974.10 is: 509,652.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,404.74 : 1,456,224.99 = 339,974.10 : x
  2. Step 2: Convert to fraction form
    971,404.74/1,456,224.99 = 339,974.10/x
  3. Step 3: Cross multiply
    971,404.74x = 1,456,224.99 × 339,974.10
  4. Step 4: Simplify right side
    971,404.74x = 495,078,780,372.76
  5. Step 5: Solve for x
    x = 495,078,780,372.76/971,404.74
  6. Step 6: Final answer
    x = 509,652.42

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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.