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Finding the Fourth Proportional to 630,475.29, 945,703.76 and 293,327.37

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Solution

The fourth proportional to 630,475.29, 945,703.76 and 293,327.37 is: 439,986.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,475.29 : 945,703.76 = 293,327.37 : x
  2. Step 2: Convert to fraction form
    630,475.29/945,703.76 = 293,327.37/x
  3. Step 3: Cross multiply
    630,475.29x = 945,703.76 × 293,327.37
  4. Step 4: Simplify right side
    630,475.29x = 277,400,795,253.27
  5. Step 5: Solve for x
    x = 277,400,795,253.27/630,475.29
  6. Step 6: Final answer
    x = 439,986.78

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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.