Home / 445,531.70-668,297.55-370,736.30

Finding the Fourth Proportional to 445,531.70, 668,297.55 and 370,736.30

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Solution

The fourth proportional to 445,531.70, 668,297.55 and 370,736.30 is: 556,104.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,531.70 : 668,297.55 = 370,736.30 : x
  2. Step 2: Convert to fraction form
    445,531.70/668,297.55 = 370,736.30/x
  3. Step 3: Cross multiply
    445,531.70x = 668,297.55 × 370,736.30
  4. Step 4: Simplify right side
    445,531.70x = 247,762,160,986.07
  5. Step 5: Solve for x
    x = 247,762,160,986.07/445,531.70
  6. Step 6: Final answer
    x = 556,104.45

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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.