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Finding the Fourth Proportional to 630,560.81, 945,814.74 and 293,485.52

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Solution

The fourth proportional to 630,560.81, 945,814.74 and 293,485.52 is: 440,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,560.81 : 945,814.74 = 293,485.52 : x
  2. Step 2: Convert to fraction form
    630,560.81/945,814.74 = 293,485.52/x
  3. Step 3: Cross multiply
    630,560.81x = 945,814.74 × 293,485.52
  4. Step 4: Simplify right side
    630,560.81x = 277,582,926,063.49
  5. Step 5: Solve for x
    x = 277,582,926,063.49/630,560.81
  6. Step 6: Final answer
    x = 440,215.95

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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.