Home / 852,671.48-1,278,367.45-515,643.10

Finding the Fourth Proportional to 852,671.48, 1,278,367.45 and 515,643.10

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Solution

The fourth proportional to 852,671.48, 1,278,367.45 and 515,643.10 is: 773,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,671.48 : 1,278,367.45 = 515,643.10 : x
  2. Step 2: Convert to fraction form
    852,671.48/1,278,367.45 = 515,643.10/x
  3. Step 3: Cross multiply
    852,671.48x = 1,278,367.45 × 515,643.10
  4. Step 4: Simplify right side
    852,671.48x = 659,181,350,372.07
  5. Step 5: Solve for x
    x = 659,181,350,372.07/852,671.48
  6. Step 6: Final answer
    x = 773,077.76

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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.