Home / 657,024.40-984,856.20-356,870.80

Finding the Fourth Proportional to 657,024.40, 984,856.20 and 356,870.80

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Solution

The fourth proportional to 657,024.40, 984,856.20 and 356,870.80 is: 534,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,024.40 : 984,856.20 = 356,870.80 : x
  2. Step 2: Convert to fraction form
    657,024.40/984,856.20 = 356,870.80/x
  3. Step 3: Cross multiply
    657,024.40x = 984,856.20 × 356,870.80
  4. Step 4: Simplify right side
    657,024.40x = 351,466,419,978.96
  5. Step 5: Solve for x
    x = 351,466,419,978.96/657,024.40
  6. Step 6: Final answer
    x = 534,936.63

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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.