Home / 691,359.40-1,036,624.38-270,133.48

Finding the Fourth Proportional to 691,359.40, 1,036,624.38 and 270,133.48

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Solution

The fourth proportional to 691,359.40, 1,036,624.38 and 270,133.48 is: 405,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,359.40 : 1,036,624.38 = 270,133.48 : x
  2. Step 2: Convert to fraction form
    691,359.40/1,036,624.38 = 270,133.48/x
  3. Step 3: Cross multiply
    691,359.40x = 1,036,624.38 × 270,133.48
  4. Step 4: Simplify right side
    691,359.40x = 280,026,951,222.24
  5. Step 5: Solve for x
    x = 280,026,951,222.24/691,359.40
  6. Step 6: Final answer
    x = 405,038.18

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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.