Home / 707,920.74-1,061,319.78-370,896.75

Finding the Fourth Proportional to 707,920.74, 1,061,319.78 and 370,896.75

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Solution

The fourth proportional to 707,920.74, 1,061,319.78 and 370,896.75 is: 556,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,920.74 : 1,061,319.78 = 370,896.75 : x
  2. Step 2: Convert to fraction form
    707,920.74/1,061,319.78 = 370,896.75/x
  3. Step 3: Cross multiply
    707,920.74x = 1,061,319.78 × 370,896.75
  4. Step 4: Simplify right side
    707,920.74x = 393,640,057,112.72
  5. Step 5: Solve for x
    x = 393,640,057,112.72/707,920.74
  6. Step 6: Final answer
    x = 556,051.03

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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.