Home / 918,069.90-1,376,716.05-444,900.30

Finding the Fourth Proportional to 918,069.90, 1,376,716.05 and 444,900.30

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Solution

The fourth proportional to 918,069.90, 1,376,716.05 and 444,900.30 is: 667,162.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,069.90 : 1,376,716.05 = 444,900.30 : x
  2. Step 2: Convert to fraction form
    918,069.90/1,376,716.05 = 444,900.30/x
  3. Step 3: Cross multiply
    918,069.90x = 1,376,716.05 × 444,900.30
  4. Step 4: Simplify right side
    918,069.90x = 612,501,383,659.82
  5. Step 5: Solve for x
    x = 612,501,383,659.82/918,069.90
  6. Step 6: Final answer
    x = 667,162.04

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Double scale
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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.