Home / 971,830.20-1,457,745.30-722,998.20

Finding the Fourth Proportional to 971,830.20, 1,457,745.30 and 722,998.20

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Solution

The fourth proportional to 971,830.20, 1,457,745.30 and 722,998.20 is: 1,084,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,830.20 : 1,457,745.30 = 722,998.20 : x
  2. Step 2: Convert to fraction form
    971,830.20/1,457,745.30 = 722,998.20/x
  3. Step 3: Cross multiply
    971,830.20x = 1,457,745.30 × 722,998.20
  4. Step 4: Simplify right side
    971,830.20x = 1,053,947,227,958.46
  5. Step 5: Solve for x
    x = 1,053,947,227,958.46/971,830.20
  6. Step 6: Final answer
    x = 1,084,497.30

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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.