Home / 825,908.31-1,139,761.26-463,339.98

Finding the Fourth Proportional to 825,908.31, 1,139,761.26 and 463,339.98

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Solution

The fourth proportional to 825,908.31, 1,139,761.26 and 463,339.98 is: 639,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,908.31 : 1,139,761.26 = 463,339.98 : x
  2. Step 2: Convert to fraction form
    825,908.31/1,139,761.26 = 463,339.98/x
  3. Step 3: Cross multiply
    825,908.31x = 1,139,761.26 × 463,339.98
  4. Step 4: Simplify right side
    825,908.31x = 528,096,963,244.17
  5. Step 5: Solve for x
    x = 528,096,963,244.17/825,908.31
  6. Step 6: Final answer
    x = 639,413.55

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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.