Home / 629,741.25-869,030.01-343,258.83

Finding the Fourth Proportional to 629,741.25, 869,030.01 and 343,258.83

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Solution

The fourth proportional to 629,741.25, 869,030.01 and 343,258.83 is: 473,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,741.25 : 869,030.01 = 343,258.83 : x
  2. Step 2: Convert to fraction form
    629,741.25/869,030.01 = 343,258.83/x
  3. Step 3: Cross multiply
    629,741.25x = 869,030.01 × 343,258.83
  4. Step 4: Simplify right side
    629,741.25x = 298,302,224,467.49
  5. Step 5: Solve for x
    x = 298,302,224,467.49/629,741.25
  6. Step 6: Final answer
    x = 473,690.15

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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.