Home / 630,678.83-945,455.76-231,226.52

Finding the Fourth Proportional to 630,678.83, 945,455.76 and 231,226.52

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Solution

The fourth proportional to 630,678.83, 945,455.76 and 231,226.52 is: 346,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,678.83 : 945,455.76 = 231,226.52 : x
  2. Step 2: Convert to fraction form
    630,678.83/945,455.76 = 231,226.52/x
  3. Step 3: Cross multiply
    630,678.83x = 945,455.76 × 231,226.52
  4. Step 4: Simplify right side
    630,678.83x = 218,614,440,471.48
  5. Step 5: Solve for x
    x = 218,614,440,471.48/630,678.83
  6. Step 6: Final answer
    x = 346,633.55

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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.