Home / 918,074.90-1,376,723.55-444,905.30

Finding the Fourth Proportional to 918,074.90, 1,376,723.55 and 444,905.30

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Solution

The fourth proportional to 918,074.90, 1,376,723.55 and 444,905.30 is: 667,169.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,074.90 : 1,376,723.55 = 444,905.30 : x
  2. Step 2: Convert to fraction form
    918,074.90/1,376,723.55 = 444,905.30/x
  3. Step 3: Cross multiply
    918,074.90x = 1,376,723.55 × 444,905.30
  4. Step 4: Simplify right side
    918,074.90x = 612,511,604,029.82
  5. Step 5: Solve for x
    x = 612,511,604,029.82/918,074.90
  6. Step 6: Final answer
    x = 667,169.53

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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.