Home / 821,515.71-1,232,413.71-366,272.13

Finding the Fourth Proportional to 821,515.71, 1,232,413.71 and 366,272.13

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Solution

The fourth proportional to 821,515.71, 1,232,413.71 and 366,272.13 is: 549,470.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,515.71 : 1,232,413.71 = 366,272.13 : x
  2. Step 2: Convert to fraction form
    821,515.71/1,232,413.71 = 366,272.13/x
  3. Step 3: Cross multiply
    821,515.71x = 1,232,413.71 × 366,272.13
  4. Step 4: Simplify right side
    821,515.71x = 451,398,794,602.90
  5. Step 5: Solve for x
    x = 451,398,794,602.90/821,515.71
  6. Step 6: Final answer
    x = 549,470.68

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Double scale
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1.5x scale

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.