Home / 768,423.39-1,152,806.45-235,998.15

Finding the Fourth Proportional to 768,423.39, 1,152,806.45 and 235,998.15

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Solution

The fourth proportional to 768,423.39, 1,152,806.45 and 235,998.15 is: 354,049.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,423.39 : 1,152,806.45 = 235,998.15 : x
  2. Step 2: Convert to fraction form
    768,423.39/1,152,806.45 = 235,998.15/x
  3. Step 3: Cross multiply
    768,423.39x = 1,152,806.45 × 235,998.15
  4. Step 4: Simplify right side
    768,423.39x = 272,060,188,328.08
  5. Step 5: Solve for x
    x = 272,060,188,328.08/768,423.39
  6. Step 6: Final answer
    x = 354,049.85

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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.