Home / 630,931-945,929.94-381,557.56

Finding the Fourth Proportional to 630,931, 945,929.94 and 381,557.56

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Solution

The fourth proportional to 630,931, 945,929.94 and 381,557.56 is: 572,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,931 : 945,929.94 = 381,557.56 : x
  2. Step 2: Convert to fraction form
    630,931/945,929.94 = 381,557.56/x
  3. Step 3: Cross multiply
    630,931x = 945,929.94 × 381,557.56
  4. Step 4: Simplify right side
    630,931x = 360,926,719,837.35
  5. Step 5: Solve for x
    x = 360,926,719,837.35/630,931
  6. Step 6: Final answer
    x = 572,054.19

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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.