Home / 942,753.77-1,300,997.79-513,033.78

Finding the Fourth Proportional to 942,753.77, 1,300,997.79 and 513,033.78

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Solution

The fourth proportional to 942,753.77, 1,300,997.79 and 513,033.78 is: 707,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,753.77 : 1,300,997.79 = 513,033.78 : x
  2. Step 2: Convert to fraction form
    942,753.77/1,300,997.79 = 513,033.78/x
  3. Step 3: Cross multiply
    942,753.77x = 1,300,997.79 × 513,033.78
  4. Step 4: Simplify right side
    942,753.77x = 667,455,813,975.35
  5. Step 5: Solve for x
    x = 667,455,813,975.35/942,753.77
  6. Step 6: Final answer
    x = 707,985.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.