Home / 918,054.90-1,376,693.55-444,885.30

Finding the Fourth Proportional to 918,054.90, 1,376,693.55 and 444,885.30

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Solution

The fourth proportional to 918,054.90, 1,376,693.55 and 444,885.30 is: 667,139.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,054.90 : 1,376,693.55 = 444,885.30 : x
  2. Step 2: Convert to fraction form
    918,054.90/1,376,693.55 = 444,885.30/x
  3. Step 3: Cross multiply
    918,054.90x = 1,376,693.55 × 444,885.30
  4. Step 4: Simplify right side
    918,054.90x = 612,470,722,999.82
  5. Step 5: Solve for x
    x = 612,470,722,999.82/918,054.90
  6. Step 6: Final answer
    x = 667,139.54

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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.