Home / 906,128.80-1,358,847.60-274,832.80

Finding the Fourth Proportional to 906,128.80, 1,358,847.60 and 274,832.80

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Solution

The fourth proportional to 906,128.80, 1,358,847.60 and 274,832.80 is: 412,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,128.80 : 1,358,847.60 = 274,832.80 : x
  2. Step 2: Convert to fraction form
    906,128.80/1,358,847.60 = 274,832.80/x
  3. Step 3: Cross multiply
    906,128.80x = 1,358,847.60 × 274,832.80
  4. Step 4: Simplify right side
    906,128.80x = 373,455,890,681.28
  5. Step 5: Solve for x
    x = 373,455,890,681.28/906,128.80
  6. Step 6: Final answer
    x = 412,144.38

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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.