Home / 971,321.40-1,456,593.30-339,910.20

Finding the Fourth Proportional to 971,321.40, 1,456,593.30 and 339,910.20

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Solution

The fourth proportional to 971,321.40, 1,456,593.30 and 339,910.20 is: 509,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,321.40 : 1,456,593.30 = 339,910.20 : x
  2. Step 2: Convert to fraction form
    971,321.40/1,456,593.30 = 339,910.20/x
  3. Step 3: Cross multiply
    971,321.40x = 1,456,593.30 × 339,910.20
  4. Step 4: Simplify right side
    971,321.40x = 495,110,919,921.66
  5. Step 5: Solve for x
    x = 495,110,919,921.66/971,321.40
  6. Step 6: Final answer
    x = 509,729.24

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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.