Home / 495,423.36-742,944.87-210,933.54

Finding the Fourth Proportional to 495,423.36, 742,944.87 and 210,933.54

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Solution

The fourth proportional to 495,423.36, 742,944.87 and 210,933.54 is: 316,319.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,423.36 : 742,944.87 = 210,933.54 : x
  2. Step 2: Convert to fraction form
    495,423.36/742,944.87 = 210,933.54/x
  3. Step 3: Cross multiply
    495,423.36x = 742,944.87 × 210,933.54
  4. Step 4: Simplify right side
    495,423.36x = 156,711,991,453.94
  5. Step 5: Solve for x
    x = 156,711,991,453.94/495,423.36
  6. Step 6: Final answer
    x = 316,319.34

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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.