Home / 872,861.08-1,204,595.94-490,910.44

Finding the Fourth Proportional to 872,861.08, 1,204,595.94 and 490,910.44

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Solution

The fourth proportional to 872,861.08, 1,204,595.94 and 490,910.44 is: 677,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,861.08 : 1,204,595.94 = 490,910.44 : x
  2. Step 2: Convert to fraction form
    872,861.08/1,204,595.94 = 490,910.44/x
  3. Step 3: Cross multiply
    872,861.08x = 1,204,595.94 × 490,910.44
  4. Step 4: Simplify right side
    872,861.08x = 591,348,722,927.61
  5. Step 5: Solve for x
    x = 591,348,722,927.61/872,861.08
  6. Step 6: Final answer
    x = 677,483.21

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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.