Home / 782,277.96-1,079,506.23-480,413.64

Finding the Fourth Proportional to 782,277.96, 1,079,506.23 and 480,413.64

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Solution

The fourth proportional to 782,277.96, 1,079,506.23 and 480,413.64 is: 662,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,277.96 : 1,079,506.23 = 480,413.64 : x
  2. Step 2: Convert to fraction form
    782,277.96/1,079,506.23 = 480,413.64/x
  3. Step 3: Cross multiply
    782,277.96x = 1,079,506.23 × 480,413.64
  4. Step 4: Simplify right side
    782,277.96x = 518,609,517,356.98
  5. Step 5: Solve for x
    x = 518,609,517,356.98/782,277.96
  6. Step 6: Final answer
    x = 662,947.88

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Double scale
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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.