Home / 629,324.18-868,476.78-342,844.18

Finding the Fourth Proportional to 629,324.18, 868,476.78 and 342,844.18

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Solution

The fourth proportional to 629,324.18, 868,476.78 and 342,844.18 is: 473,130.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,324.18 : 868,476.78 = 342,844.18 : x
  2. Step 2: Convert to fraction form
    629,324.18/868,476.78 = 342,844.18/x
  3. Step 3: Cross multiply
    629,324.18x = 868,476.78 × 342,844.18
  4. Step 4: Simplify right side
    629,324.18x = 297,752,209,488.14
  5. Step 5: Solve for x
    x = 297,752,209,488.14/629,324.18
  6. Step 6: Final answer
    x = 473,130.10

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Double scale
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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.