Home / 769,741.52-1,154,800.55-542,480.57

Finding the Fourth Proportional to 769,741.52, 1,154,800.55 and 542,480.57

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Solution

The fourth proportional to 769,741.52, 1,154,800.55 and 542,480.57 is: 813,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,741.52 : 1,154,800.55 = 542,480.57 : x
  2. Step 2: Convert to fraction form
    769,741.52/1,154,800.55 = 542,480.57/x
  3. Step 3: Cross multiply
    769,741.52x = 1,154,800.55 × 542,480.57
  4. Step 4: Simplify right side
    769,741.52x = 626,456,852,113.91
  5. Step 5: Solve for x
    x = 626,456,852,113.91/769,741.52
  6. Step 6: Final answer
    x = 813,853.53

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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.