Home / 910,563.24-1,366,005.24-311,383.56

Finding the Fourth Proportional to 910,563.24, 1,366,005.24 and 311,383.56

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Solution

The fourth proportional to 910,563.24, 1,366,005.24 and 311,383.56 is: 467,130.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,563.24 : 1,366,005.24 = 311,383.56 : x
  2. Step 2: Convert to fraction form
    910,563.24/1,366,005.24 = 311,383.56/x
  3. Step 3: Cross multiply
    910,563.24x = 1,366,005.24 × 311,383.56
  4. Step 4: Simplify right side
    910,563.24x = 425,351,574,609.85
  5. Step 5: Solve for x
    x = 425,351,574,609.85/910,563.24
  6. Step 6: Final answer
    x = 467,130.18

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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.