Home / 971,557.20-1,456,817.40-409,957.20

Finding the Fourth Proportional to 971,557.20, 1,456,817.40 and 409,957.20

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Solution

The fourth proportional to 971,557.20, 1,456,817.40 and 409,957.20 is: 614,717.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,557.20 : 1,456,817.40 = 409,957.20 : x
  2. Step 2: Convert to fraction form
    971,557.20/1,456,817.40 = 409,957.20/x
  3. Step 3: Cross multiply
    971,557.20x = 1,456,817.40 × 409,957.20
  4. Step 4: Simplify right side
    971,557.20x = 597,232,782,215.28
  5. Step 5: Solve for x
    x = 597,232,782,215.28/971,557.20
  6. Step 6: Final answer
    x = 614,717.06

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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.