Home / 768,344.50-1,151,919.86-497,901.34

Finding the Fourth Proportional to 768,344.50, 1,151,919.86 and 497,901.34

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Solution

The fourth proportional to 768,344.50, 1,151,919.86 and 497,901.34 is: 746,465.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,344.50 : 1,151,919.86 = 497,901.34 : x
  2. Step 2: Convert to fraction form
    768,344.50/1,151,919.86 = 497,901.34/x
  3. Step 3: Cross multiply
    768,344.50x = 1,151,919.86 × 497,901.34
  4. Step 4: Simplify right side
    768,344.50x = 573,542,441,866.61
  5. Step 5: Solve for x
    x = 573,542,441,866.61/768,344.50
  6. Step 6: Final answer
    x = 746,465.21

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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.