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Finding the Fourth Proportional to 629,603.04, 868,852.98 and 343,123.44

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Solution

The fourth proportional to 629,603.04, 868,852.98 and 343,123.44 is: 473,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,603.04 : 868,852.98 = 343,123.44 : x
  2. Step 2: Convert to fraction form
    629,603.04/868,852.98 = 343,123.44/x
  3. Step 3: Cross multiply
    629,603.04x = 868,852.98 × 343,123.44
  4. Step 4: Simplify right side
    629,603.04x = 298,123,823,351.85
  5. Step 5: Solve for x
    x = 298,123,823,351.85/629,603.04
  6. Step 6: Final answer
    x = 473,510.77

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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.