Home / 942,731.80-1,300,997.02-513,039.14

Finding the Fourth Proportional to 942,731.80, 1,300,997.02 and 513,039.14

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Solution

The fourth proportional to 942,731.80, 1,300,997.02 and 513,039.14 is: 708,008.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,731.80 : 1,300,997.02 = 513,039.14 : x
  2. Step 2: Convert to fraction form
    942,731.80/1,300,997.02 = 513,039.14/x
  3. Step 3: Cross multiply
    942,731.80x = 1,300,997.02 × 513,039.14
  4. Step 4: Simplify right side
    942,731.80x = 667,462,392,283.36
  5. Step 5: Solve for x
    x = 667,462,392,283.36/942,731.80
  6. Step 6: Final answer
    x = 708,008.78

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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.