Home / 513,384.72-769,435.20-247,073.76

Finding the Fourth Proportional to 513,384.72, 769,435.20 and 247,073.76

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Solution

The fourth proportional to 513,384.72, 769,435.20 and 247,073.76 is: 370,301.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,384.72 : 769,435.20 = 247,073.76 : x
  2. Step 2: Convert to fraction form
    513,384.72/769,435.20 = 247,073.76/x
  3. Step 3: Cross multiply
    513,384.72x = 769,435.20 × 247,073.76
  4. Step 4: Simplify right side
    513,384.72x = 190,107,247,940.35
  5. Step 5: Solve for x
    x = 190,107,247,940.35/513,384.72
  6. Step 6: Final answer
    x = 370,301.73

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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.