Home / 629,467.74-868,665.60-342,987.90

Finding the Fourth Proportional to 629,467.74, 868,665.60 and 342,987.90

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Solution

The fourth proportional to 629,467.74, 868,665.60 and 342,987.90 is: 473,323.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,467.74 : 868,665.60 = 342,987.90 : x
  2. Step 2: Convert to fraction form
    629,467.74/868,665.60 = 342,987.90/x
  3. Step 3: Cross multiply
    629,467.74x = 868,665.60 × 342,987.90
  4. Step 4: Simplify right side
    629,467.74x = 297,941,789,946.24
  5. Step 5: Solve for x
    x = 297,941,789,946.24/629,467.74
  6. Step 6: Final answer
    x = 473,323.37

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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.