Home / 807,724.71-1,114,610.02-445,128.31

Finding the Fourth Proportional to 807,724.71, 1,114,610.02 and 445,128.31

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Solution

The fourth proportional to 807,724.71, 1,114,610.02 and 445,128.31 is: 614,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,724.71 : 1,114,610.02 = 445,128.31 : x
  2. Step 2: Convert to fraction form
    807,724.71/1,114,610.02 = 445,128.31/x
  3. Step 3: Cross multiply
    807,724.71x = 1,114,610.02 × 445,128.31
  4. Step 4: Simplify right side
    807,724.71x = 496,144,474,792.11
  5. Step 5: Solve for x
    x = 496,144,474,792.11/807,724.71
  6. Step 6: Final answer
    x = 614,249.47

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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.