Home / 826,828.40-1,237,105.80-490,049.84

Finding the Fourth Proportional to 826,828.40, 1,237,105.80 and 490,049.84

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Solution

The fourth proportional to 826,828.40, 1,237,105.80 and 490,049.84 is: 733,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,828.40 : 1,237,105.80 = 490,049.84 : x
  2. Step 2: Convert to fraction form
    826,828.40/1,237,105.80 = 490,049.84/x
  3. Step 3: Cross multiply
    826,828.40x = 1,237,105.80 × 490,049.84
  4. Step 4: Simplify right side
    826,828.40x = 606,243,499,353.07
  5. Step 5: Solve for x
    x = 606,243,499,353.07/826,828.40
  6. Step 6: Final answer
    x = 733,215.62

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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.