Home / 838,150.20-1,257,210.18-305,665.92

Finding the Fourth Proportional to 838,150.20, 1,257,210.18 and 305,665.92

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Solution

The fourth proportional to 838,150.20, 1,257,210.18 and 305,665.92 is: 458,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,150.20 : 1,257,210.18 = 305,665.92 : x
  2. Step 2: Convert to fraction form
    838,150.20/1,257,210.18 = 305,665.92/x
  3. Step 3: Cross multiply
    838,150.20x = 1,257,210.18 × 305,665.92
  4. Step 4: Simplify right side
    838,150.20x = 384,286,306,303.07
  5. Step 5: Solve for x
    x = 384,286,306,303.07/838,150.20
  6. Step 6: Final answer
    x = 458,493.37

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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.