Home / 920,104.96-1,269,731.84-517,696

Finding the Fourth Proportional to 920,104.96, 1,269,731.84 and 517,696

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Solution

The fourth proportional to 920,104.96, 1,269,731.84 and 517,696 is: 714,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,104.96 : 1,269,731.84 = 517,696 : x
  2. Step 2: Convert to fraction form
    920,104.96/1,269,731.84 = 517,696/x
  3. Step 3: Cross multiply
    920,104.96x = 1,269,731.84 × 517,696
  4. Step 4: Simplify right side
    920,104.96x = 657,335,094,640.64
  5. Step 5: Solve for x
    x = 657,335,094,640.64/920,104.96
  6. Step 6: Final answer
    x = 714,413.16

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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.