Home / 482,148.23-723,342.83-340,270.43

Finding the Fourth Proportional to 482,148.23, 723,342.83 and 340,270.43

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Solution

The fourth proportional to 482,148.23, 723,342.83 and 340,270.43 is: 510,490.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,148.23 : 723,342.83 = 340,270.43 : x
  2. Step 2: Convert to fraction form
    482,148.23/723,342.83 = 340,270.43/x
  3. Step 3: Cross multiply
    482,148.23x = 723,342.83 × 340,270.43
  4. Step 4: Simplify right side
    482,148.23x = 246,132,170,483.45
  5. Step 5: Solve for x
    x = 246,132,170,483.45/482,148.23
  6. Step 6: Final answer
    x = 510,490.67

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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.