Home / 637,736.60-880,138.68-476,311.52

Finding the Fourth Proportional to 637,736.60, 880,138.68 and 476,311.52

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Solution

The fourth proportional to 637,736.60, 880,138.68 and 476,311.52 is: 657,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,736.60 : 880,138.68 = 476,311.52 : x
  2. Step 2: Convert to fraction form
    637,736.60/880,138.68 = 476,311.52/x
  3. Step 3: Cross multiply
    637,736.60x = 880,138.68 × 476,311.52
  4. Step 4: Simplify right side
    637,736.60x = 419,220,192,481.59
  5. Step 5: Solve for x
    x = 419,220,192,481.59/637,736.60
  6. Step 6: Final answer
    x = 657,356.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.