Home / 824,803.20-1,235,131.20-658,915.20

Finding the Fourth Proportional to 824,803.20, 1,235,131.20 and 658,915.20

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Solution

The fourth proportional to 824,803.20, 1,235,131.20 and 658,915.20 is: 986,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,803.20 : 1,235,131.20 = 658,915.20 : x
  2. Step 2: Convert to fraction form
    824,803.20/1,235,131.20 = 658,915.20/x
  3. Step 3: Cross multiply
    824,803.20x = 1,235,131.20 × 658,915.20
  4. Step 4: Simplify right side
    824,803.20x = 813,846,721,674.24
  5. Step 5: Solve for x
    x = 813,846,721,674.24/824,803.20
  6. Step 6: Final answer
    x = 986,716.25

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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.