Home / 680,639.76-1,021,113.27-225,229.84

Finding the Fourth Proportional to 680,639.76, 1,021,113.27 and 225,229.84

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Solution

The fourth proportional to 680,639.76, 1,021,113.27 and 225,229.84 is: 337,895.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,639.76 : 1,021,113.27 = 225,229.84 : x
  2. Step 2: Convert to fraction form
    680,639.76/1,021,113.27 = 225,229.84/x
  3. Step 3: Cross multiply
    680,639.76x = 1,021,113.27 × 225,229.84
  4. Step 4: Simplify right side
    680,639.76x = 229,985,178,423.98
  5. Step 5: Solve for x
    x = 229,985,178,423.98/680,639.76
  6. Step 6: Final answer
    x = 337,895.60

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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.