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Finding the Fourth Proportional to 630,928, 945,925.44 and 381,554.56

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Solution

The fourth proportional to 630,928, 945,925.44 and 381,554.56 is: 572,049.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,928 : 945,925.44 = 381,554.56 : x
  2. Step 2: Convert to fraction form
    630,928/945,925.44 = 381,554.56/x
  3. Step 3: Cross multiply
    630,928x = 945,925.44 × 381,554.56
  4. Step 4: Simplify right side
    630,928x = 360,922,165,052.01
  5. Step 5: Solve for x
    x = 360,922,165,052.01/630,928
  6. Step 6: Final answer
    x = 572,049.69

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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.