Home / 522,413.28-721,094.40-296,209.44

Finding the Fourth Proportional to 522,413.28, 721,094.40 and 296,209.44

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Solution

The fourth proportional to 522,413.28, 721,094.40 and 296,209.44 is: 408,862.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,413.28 : 721,094.40 = 296,209.44 : x
  2. Step 2: Convert to fraction form
    522,413.28/721,094.40 = 296,209.44/x
  3. Step 3: Cross multiply
    522,413.28x = 721,094.40 × 296,209.44
  4. Step 4: Simplify right side
    522,413.28x = 213,594,968,411.14
  5. Step 5: Solve for x
    x = 213,594,968,411.14/522,413.28
  6. Step 6: Final answer
    x = 408,862.06

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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.