Home / 513,923.34-770,906.61-158,944.08

Finding the Fourth Proportional to 513,923.34, 770,906.61 and 158,944.08

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Solution

The fourth proportional to 513,923.34, 770,906.61 and 158,944.08 is: 238,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,923.34 : 770,906.61 = 158,944.08 : x
  2. Step 2: Convert to fraction form
    513,923.34/770,906.61 = 158,944.08/x
  3. Step 3: Cross multiply
    513,923.34x = 770,906.61 × 158,944.08
  4. Step 4: Simplify right side
    513,923.34x = 122,531,041,892.37
  5. Step 5: Solve for x
    x = 122,531,041,892.37/513,923.34
  6. Step 6: Final answer
    x = 238,422.80

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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.