Home / 629,673.12-868,949.22-357,741.48

Finding the Fourth Proportional to 629,673.12, 868,949.22 and 357,741.48

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Solution

The fourth proportional to 629,673.12, 868,949.22 and 357,741.48 is: 493,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,673.12 : 868,949.22 = 357,741.48 : x
  2. Step 2: Convert to fraction form
    629,673.12/868,949.22 = 357,741.48/x
  3. Step 3: Cross multiply
    629,673.12x = 868,949.22 × 357,741.48
  4. Step 4: Simplify right side
    629,673.12x = 310,859,180,007.65
  5. Step 5: Solve for x
    x = 310,859,180,007.65/629,673.12
  6. Step 6: Final answer
    x = 493,683.42

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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.