Home / 864,085.70-1,192,413.48-482,104.28

Finding the Fourth Proportional to 864,085.70, 1,192,413.48 and 482,104.28

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Solution

The fourth proportional to 864,085.70, 1,192,413.48 and 482,104.28 is: 665,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,085.70 : 1,192,413.48 = 482,104.28 : x
  2. Step 2: Convert to fraction form
    864,085.70/1,192,413.48 = 482,104.28/x
  3. Step 3: Cross multiply
    864,085.70x = 1,192,413.48 × 482,104.28
  4. Step 4: Simplify right side
    864,085.70x = 574,867,642,237.70
  5. Step 5: Solve for x
    x = 574,867,642,237.70/864,085.70
  6. Step 6: Final answer
    x = 665,290.08

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1.5x scale

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.