Home / 629,440.71-868,603.80-342,962.94

Finding the Fourth Proportional to 629,440.71, 868,603.80 and 342,962.94

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Solution

The fourth proportional to 629,440.71, 868,603.80 and 342,962.94 is: 473,275.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,440.71 : 868,603.80 = 342,962.94 : x
  2. Step 2: Convert to fraction form
    629,440.71/868,603.80 = 342,962.94/x
  3. Step 3: Cross multiply
    629,440.71x = 868,603.80 × 342,962.94
  4. Step 4: Simplify right side
    629,440.71x = 297,898,912,943.17
  5. Step 5: Solve for x
    x = 297,898,912,943.17/629,440.71
  6. Step 6: Final answer
    x = 473,275.57

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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.