Home / 856,038.80-1,283,755.32-248,700.78

Finding the Fourth Proportional to 856,038.80, 1,283,755.32 and 248,700.78

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Solution

The fourth proportional to 856,038.80, 1,283,755.32 and 248,700.78 is: 372,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,038.80 : 1,283,755.32 = 248,700.78 : x
  2. Step 2: Convert to fraction form
    856,038.80/1,283,755.32 = 248,700.78/x
  3. Step 3: Cross multiply
    856,038.80x = 1,283,755.32 × 248,700.78
  4. Step 4: Simplify right side
    856,038.80x = 319,270,949,413.15
  5. Step 5: Solve for x
    x = 319,270,949,413.15/856,038.80
  6. Step 6: Final answer
    x = 372,963.18

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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.