Home / 923,876.39-1,385,817.84-284,175.81

Finding the Fourth Proportional to 923,876.39, 1,385,817.84 and 284,175.81

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Solution

The fourth proportional to 923,876.39, 1,385,817.84 and 284,175.81 is: 426,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,876.39 : 1,385,817.84 = 284,175.81 : x
  2. Step 2: Convert to fraction form
    923,876.39/1,385,817.84 = 284,175.81/x
  3. Step 3: Cross multiply
    923,876.39x = 1,385,817.84 × 284,175.81
  4. Step 4: Simplify right side
    923,876.39x = 393,815,907,194.45
  5. Step 5: Solve for x
    x = 393,815,907,194.45/923,876.39
  6. Step 6: Final answer
    x = 426,264.72

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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.