Home / 629,534.48-868,746.12-343,057.04

Finding the Fourth Proportional to 629,534.48, 868,746.12 and 343,057.04

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Solution

The fourth proportional to 629,534.48, 868,746.12 and 343,057.04 is: 473,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,534.48 : 868,746.12 = 343,057.04 : x
  2. Step 2: Convert to fraction form
    629,534.48/868,746.12 = 343,057.04/x
  3. Step 3: Cross multiply
    629,534.48x = 868,746.12 × 343,057.04
  4. Step 4: Simplify right side
    629,534.48x = 298,029,472,438.69
  5. Step 5: Solve for x
    x = 298,029,472,438.69/629,534.48
  6. Step 6: Final answer
    x = 473,412.47

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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.