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Finding the Fourth Proportional to 513,956.34, 770,491.08 and 247,350.06

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Solution

The fourth proportional to 513,956.34, 770,491.08 and 247,350.06 is: 370,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,956.34 : 770,491.08 = 247,350.06 : x
  2. Step 2: Convert to fraction form
    513,956.34/770,491.08 = 247,350.06/x
  3. Step 3: Cross multiply
    513,956.34x = 770,491.08 × 247,350.06
  4. Step 4: Simplify right side
    513,956.34x = 190,581,014,867.47
  5. Step 5: Solve for x
    x = 190,581,014,867.47/513,956.34
  6. Step 6: Final answer
    x = 370,811.68

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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.