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Finding the Fourth Proportional to 630,679.98, 945,457.50 and 231,227.68

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Solution

The fourth proportional to 630,679.98, 945,457.50 and 231,227.68 is: 346,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,679.98 : 945,457.50 = 231,227.68 : x
  2. Step 2: Convert to fraction form
    630,679.98/945,457.50 = 231,227.68/x
  3. Step 3: Cross multiply
    630,679.98x = 945,457.50 × 231,227.68
  4. Step 4: Simplify right side
    630,679.98x = 218,615,944,263.60
  5. Step 5: Solve for x
    x = 218,615,944,263.60/630,679.98
  6. Step 6: Final answer
    x = 346,635.30

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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.