Home / 609,089.18-913,820.64-272,413.04

Finding the Fourth Proportional to 609,089.18, 913,820.64 and 272,413.04

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Solution

The fourth proportional to 609,089.18, 913,820.64 and 272,413.04 is: 408,703.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,089.18 : 913,820.64 = 272,413.04 : x
  2. Step 2: Convert to fraction form
    609,089.18/913,820.64 = 272,413.04/x
  3. Step 3: Cross multiply
    609,089.18x = 913,820.64 × 272,413.04
  4. Step 4: Simplify right side
    609,089.18x = 248,936,658,557.15
  5. Step 5: Solve for x
    x = 248,936,658,557.15/609,089.18
  6. Step 6: Final answer
    x = 408,703.14

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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.