Home / 501,017.50-691,413.06-271,582.30

Finding the Fourth Proportional to 501,017.50, 691,413.06 and 271,582.30

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Solution

The fourth proportional to 501,017.50, 691,413.06 and 271,582.30 is: 374,788.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,017.50 : 691,413.06 = 271,582.30 : x
  2. Step 2: Convert to fraction form
    501,017.50/691,413.06 = 271,582.30/x
  3. Step 3: Cross multiply
    501,017.50x = 691,413.06 × 271,582.30
  4. Step 4: Simplify right side
    501,017.50x = 187,775,549,084.84
  5. Step 5: Solve for x
    x = 187,775,549,084.84/501,017.50
  6. Step 6: Final answer
    x = 374,788.40

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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.