Home / 629,382.15-868,557.33-342,902.16

Finding the Fourth Proportional to 629,382.15, 868,557.33 and 342,902.16

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Solution

The fourth proportional to 629,382.15, 868,557.33 and 342,902.16 is: 473,210.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,382.15 : 868,557.33 = 342,902.16 : x
  2. Step 2: Convert to fraction form
    629,382.15/868,557.33 = 342,902.16/x
  3. Step 3: Cross multiply
    629,382.15x = 868,557.33 × 342,902.16
  4. Step 4: Simplify right side
    629,382.15x = 297,830,184,540.83
  5. Step 5: Solve for x
    x = 297,830,184,540.83/629,382.15
  6. Step 6: Final answer
    x = 473,210.41

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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.