Home / 707,614.06-1,060,313.44-280,919.42

Finding the Fourth Proportional to 707,614.06, 1,060,313.44 and 280,919.42

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Solution

The fourth proportional to 707,614.06, 1,060,313.44 and 280,919.42 is: 420,939.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,614.06 : 1,060,313.44 = 280,919.42 : x
  2. Step 2: Convert to fraction form
    707,614.06/1,060,313.44 = 280,919.42/x
  3. Step 3: Cross multiply
    707,614.06x = 1,060,313.44 × 280,919.42
  4. Step 4: Simplify right side
    707,614.06x = 297,862,636,583.01
  5. Step 5: Solve for x
    x = 297,862,636,583.01/707,614.06
  6. Step 6: Final answer
    x = 420,939.40

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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.