Home / 861,960.32-1,292,053.34-382,413.96

Finding the Fourth Proportional to 861,960.32, 1,292,053.34 and 382,413.96

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Solution

The fourth proportional to 861,960.32, 1,292,053.34 and 382,413.96 is: 573,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,960.32 : 1,292,053.34 = 382,413.96 : x
  2. Step 2: Convert to fraction form
    861,960.32/1,292,053.34 = 382,413.96/x
  3. Step 3: Cross multiply
    861,960.32x = 1,292,053.34 × 382,413.96
  4. Step 4: Simplify right side
    861,960.32x = 494,099,232,368.56
  5. Step 5: Solve for x
    x = 494,099,232,368.56/861,960.32
  6. Step 6: Final answer
    x = 573,227.35

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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.