Home / 629,433.36-868,607.10-342,955.80

Finding the Fourth Proportional to 629,433.36, 868,607.10 and 342,955.80

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Solution

The fourth proportional to 629,433.36, 868,607.10 and 342,955.80 is: 473,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,433.36 : 868,607.10 = 342,955.80 : x
  2. Step 2: Convert to fraction form
    629,433.36/868,607.10 = 342,955.80/x
  3. Step 3: Cross multiply
    629,433.36x = 868,607.10 × 342,955.80
  4. Step 4: Simplify right side
    629,433.36x = 297,893,842,866.18
  5. Step 5: Solve for x
    x = 297,893,842,866.18/629,433.36
  6. Step 6: Final answer
    x = 473,273.04

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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.