Home / 349,413.10-482,492.58-331,476.86

Finding the Fourth Proportional to 349,413.10, 482,492.58 and 331,476.86

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Solution

The fourth proportional to 349,413.10, 482,492.58 and 331,476.86 is: 457,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,413.10 : 482,492.58 = 331,476.86 : x
  2. Step 2: Convert to fraction form
    349,413.10/482,492.58 = 331,476.86/x
  3. Step 3: Cross multiply
    349,413.10x = 482,492.58 × 331,476.86
  4. Step 4: Simplify right side
    349,413.10x = 159,935,125,391.70
  5. Step 5: Solve for x
    x = 159,935,125,391.70/349,413.10
  6. Step 6: Final answer
    x = 457,725.04

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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.