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Finding the Fourth Proportional to 513,432.56, 770,527.24 and 243,561.54

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Solution

The fourth proportional to 513,432.56, 770,527.24 and 243,561.54 is: 365,521.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,432.56 : 770,527.24 = 243,561.54 : x
  2. Step 2: Convert to fraction form
    513,432.56/770,527.24 = 243,561.54/x
  3. Step 3: Cross multiply
    513,432.56x = 770,527.24 × 243,561.54
  4. Step 4: Simplify right side
    513,432.56x = 187,670,803,466.92
  5. Step 5: Solve for x
    x = 187,670,803,466.92/513,432.56
  6. Step 6: Final answer
    x = 365,521.82

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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.