Home / 520,024.41-780,065.78-146,018.25

Finding the Fourth Proportional to 520,024.41, 780,065.78 and 146,018.25

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Solution

The fourth proportional to 520,024.41, 780,065.78 and 146,018.25 is: 219,035.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,024.41 : 780,065.78 = 146,018.25 : x
  2. Step 2: Convert to fraction form
    520,024.41/780,065.78 = 146,018.25/x
  3. Step 3: Cross multiply
    520,024.41x = 780,065.78 × 146,018.25
  4. Step 4: Simplify right side
    520,024.41x = 113,903,839,350.39
  5. Step 5: Solve for x
    x = 113,903,839,350.39/520,024.41
  6. Step 6: Final answer
    x = 219,035.56

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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.