Home / 786,834.30-1,179,962.28-281,258.85

Finding the Fourth Proportional to 786,834.30, 1,179,962.28 and 281,258.85

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Solution

The fourth proportional to 786,834.30, 1,179,962.28 and 281,258.85 is: 421,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,834.30 : 1,179,962.28 = 281,258.85 : x
  2. Step 2: Convert to fraction form
    786,834.30/1,179,962.28 = 281,258.85/x
  3. Step 3: Cross multiply
    786,834.30x = 1,179,962.28 × 281,258.85
  4. Step 4: Simplify right side
    786,834.30x = 331,874,833,916.18
  5. Step 5: Solve for x
    x = 331,874,833,916.18/786,834.30
  6. Step 6: Final answer
    x = 421,784.91

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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.