Home / 419,956.35-629,934.53-402,460.35

Finding the Fourth Proportional to 419,956.35, 629,934.53 and 402,460.35

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Solution

The fourth proportional to 419,956.35, 629,934.53 and 402,460.35 is: 603,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,956.35 : 629,934.53 = 402,460.35 : x
  2. Step 2: Convert to fraction form
    419,956.35/629,934.53 = 402,460.35/x
  3. Step 3: Cross multiply
    419,956.35x = 629,934.53 × 402,460.35
  4. Step 4: Simplify right side
    419,956.35x = 253,523,669,408.58
  5. Step 5: Solve for x
    x = 253,523,669,408.58/419,956.35
  6. Step 6: Final answer
    x = 603,690.53

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.