Home / 629,302.14-868,435.75-342,822.15

Finding the Fourth Proportional to 629,302.14, 868,435.75 and 342,822.15

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Solution

The fourth proportional to 629,302.14, 868,435.75 and 342,822.15 is: 473,093.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,302.14 : 868,435.75 = 342,822.15 : x
  2. Step 2: Convert to fraction form
    629,302.14/868,435.75 = 342,822.15/x
  3. Step 3: Cross multiply
    629,302.14x = 868,435.75 × 342,822.15
  4. Step 4: Simplify right side
    629,302.14x = 297,719,010,951.86
  5. Step 5: Solve for x
    x = 297,719,010,951.86/629,302.14
  6. Step 6: Final answer
    x = 473,093.91

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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.