Home / 629,478.48-868,669.08-343,001.04

Finding the Fourth Proportional to 629,478.48, 868,669.08 and 343,001.04

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Solution

The fourth proportional to 629,478.48, 868,669.08 and 343,001.04 is: 473,335.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,478.48 : 868,669.08 = 343,001.04 : x
  2. Step 2: Convert to fraction form
    629,478.48/868,669.08 = 343,001.04/x
  3. Step 3: Cross multiply
    629,478.48x = 868,669.08 × 343,001.04
  4. Step 4: Simplify right side
    629,478.48x = 297,954,397,855.84
  5. Step 5: Solve for x
    x = 297,954,397,855.84/629,478.48
  6. Step 6: Final answer
    x = 473,335.32

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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.