Home / 630,670.05-945,442.62-231,217.74

Finding the Fourth Proportional to 630,670.05, 945,442.62 and 231,217.74

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Solution

The fourth proportional to 630,670.05, 945,442.62 and 231,217.74 is: 346,620.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,670.05 : 945,442.62 = 231,217.74 : x
  2. Step 2: Convert to fraction form
    630,670.05/945,442.62 = 231,217.74/x
  3. Step 3: Cross multiply
    630,670.05x = 945,442.62 × 231,217.74
  4. Step 4: Simplify right side
    630,670.05x = 218,603,101,168.87
  5. Step 5: Solve for x
    x = 218,603,101,168.87/630,670.05
  6. Step 6: Final answer
    x = 346,620.40

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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.