Home / 918,057.40-1,376,697.30-444,887.80

Finding the Fourth Proportional to 918,057.40, 1,376,697.30 and 444,887.80

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Solution

The fourth proportional to 918,057.40, 1,376,697.30 and 444,887.80 is: 667,143.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,057.40 : 1,376,697.30 = 444,887.80 : x
  2. Step 2: Convert to fraction form
    918,057.40/1,376,697.30 = 444,887.80/x
  3. Step 3: Cross multiply
    918,057.40x = 1,376,697.30 × 444,887.80
  4. Step 4: Simplify right side
    918,057.40x = 612,475,833,062.94
  5. Step 5: Solve for x
    x = 612,475,833,062.94/918,057.40
  6. Step 6: Final answer
    x = 667,143.29

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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.