Home / 926,138.30-1,388,429.85-482,906.30

Finding the Fourth Proportional to 926,138.30, 1,388,429.85 and 482,906.30

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Solution

The fourth proportional to 926,138.30, 1,388,429.85 and 482,906.30 is: 723,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,138.30 : 1,388,429.85 = 482,906.30 : x
  2. Step 2: Convert to fraction form
    926,138.30/1,388,429.85 = 482,906.30/x
  3. Step 3: Cross multiply
    926,138.30x = 1,388,429.85 × 482,906.30
  4. Step 4: Simplify right side
    926,138.30x = 670,481,521,673.06
  5. Step 5: Solve for x
    x = 670,481,521,673.06/926,138.30
  6. Step 6: Final answer
    x = 723,953.99

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Double scale
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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.