Home / 920,358.26-1,380,631.68-352,217.22

Finding the Fourth Proportional to 920,358.26, 1,380,631.68 and 352,217.22

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Solution

The fourth proportional to 920,358.26, 1,380,631.68 and 352,217.22 is: 528,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,358.26 : 1,380,631.68 = 352,217.22 : x
  2. Step 2: Convert to fraction form
    920,358.26/1,380,631.68 = 352,217.22/x
  3. Step 3: Cross multiply
    920,358.26x = 1,380,631.68 × 352,217.22
  4. Step 4: Simplify right side
    920,358.26x = 486,282,252,173.53
  5. Step 5: Solve for x
    x = 486,282,252,173.53/920,358.26
  6. Step 6: Final answer
    x = 528,361.91

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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.