Home / 787,109.92-1,086,208.08-429,413.92

Finding the Fourth Proportional to 787,109.92, 1,086,208.08 and 429,413.92

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Solution

The fourth proportional to 787,109.92, 1,086,208.08 and 429,413.92 is: 592,589.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,109.92 : 1,086,208.08 = 429,413.92 : x
  2. Step 2: Convert to fraction form
    787,109.92/1,086,208.08 = 429,413.92/x
  3. Step 3: Cross multiply
    787,109.92x = 1,086,208.08 × 429,413.92
  4. Step 4: Simplify right side
    787,109.92x = 466,432,869,568.47
  5. Step 5: Solve for x
    x = 466,432,869,568.47/787,109.92
  6. Step 6: Final answer
    x = 592,589.24

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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.