Home / 629,475.36-868,665.06-342,997.80

Finding the Fourth Proportional to 629,475.36, 868,665.06 and 342,997.80

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Solution

The fourth proportional to 629,475.36, 868,665.06 and 342,997.80 is: 473,331.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,475.36 : 868,665.06 = 342,997.80 : x
  2. Step 2: Convert to fraction form
    629,475.36/868,665.06 = 342,997.80/x
  3. Step 3: Cross multiply
    629,475.36x = 868,665.06 × 342,997.80
  4. Step 4: Simplify right side
    629,475.36x = 297,950,204,516.87
  5. Step 5: Solve for x
    x = 297,950,204,516.87/629,475.36
  6. Step 6: Final answer
    x = 473,331.00

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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.