Home / 1,020,351.32-1,530,472.30-310,324

Finding the Fourth Proportional to 1,020,351.32, 1,530,472.30 and 310,324

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Solution

The fourth proportional to 1,020,351.32, 1,530,472.30 and 310,324 is: 465,469.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,351.32 : 1,530,472.30 = 310,324 : x
  2. Step 2: Convert to fraction form
    1,020,351.32/1,530,472.30 = 310,324/x
  3. Step 3: Cross multiply
    1,020,351.32x = 1,530,472.30 × 310,324
  4. Step 4: Simplify right side
    1,020,351.32x = 474,942,286,025.20
  5. Step 5: Solve for x
    x = 474,942,286,025.20/1,020,351.32
  6. Step 6: Final answer
    x = 465,469.37

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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.