Home / 629,637.76-868,877.88-343,152.16

Finding the Fourth Proportional to 629,637.76, 868,877.88 and 343,152.16

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Solution

The fourth proportional to 629,637.76, 868,877.88 and 343,152.16 is: 473,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,637.76 : 868,877.88 = 343,152.16 : x
  2. Step 2: Convert to fraction form
    629,637.76/868,877.88 = 343,152.16/x
  3. Step 3: Cross multiply
    629,637.76x = 868,877.88 × 343,152.16
  4. Step 4: Simplify right side
    629,637.76x = 298,157,321,298.22
  5. Step 5: Solve for x
    x = 298,157,321,298.22/629,637.76
  6. Step 6: Final answer
    x = 473,537.87

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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.