Home / 707,851.82-1,060,727.76-519,944.78

Finding the Fourth Proportional to 707,851.82, 1,060,727.76 and 519,944.78

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Solution

The fourth proportional to 707,851.82, 1,060,727.76 and 519,944.78 is: 779,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,851.82 : 1,060,727.76 = 519,944.78 : x
  2. Step 2: Convert to fraction form
    707,851.82/1,060,727.76 = 519,944.78/x
  3. Step 3: Cross multiply
    707,851.82x = 1,060,727.76 × 519,944.78
  4. Step 4: Simplify right side
    707,851.82x = 551,519,856,509.45
  5. Step 5: Solve for x
    x = 551,519,856,509.45/707,851.82
  6. Step 6: Final answer
    x = 779,145.92

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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.