Home / 629,462.90-868,658.99-342,982.91

Finding the Fourth Proportional to 629,462.90, 868,658.99 and 342,982.91

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Solution

The fourth proportional to 629,462.90, 868,658.99 and 342,982.91 is: 473,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,462.90 : 868,658.99 = 342,982.91 : x
  2. Step 2: Convert to fraction form
    629,462.90/868,658.99 = 342,982.91/x
  3. Step 3: Cross multiply
    629,462.90x = 868,658.99 × 342,982.91
  4. Step 4: Simplify right side
    629,462.90x = 297,935,182,129.65
  5. Step 5: Solve for x
    x = 297,935,182,129.65/629,462.90
  6. Step 6: Final answer
    x = 473,316.51

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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.