Home / 494,995.89-742,374.81-228,500.40

Finding the Fourth Proportional to 494,995.89, 742,374.81 and 228,500.40

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Solution

The fourth proportional to 494,995.89, 742,374.81 and 228,500.40 is: 342,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,995.89 : 742,374.81 = 228,500.40 : x
  2. Step 2: Convert to fraction form
    494,995.89/742,374.81 = 228,500.40/x
  3. Step 3: Cross multiply
    494,995.89x = 742,374.81 × 228,500.40
  4. Step 4: Simplify right side
    494,995.89x = 169,632,941,034.92
  5. Step 5: Solve for x
    x = 169,632,941,034.92/494,995.89
  6. Step 6: Final answer
    x = 342,695.66

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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.