Home / 977,758.22-1,466,643.87-378,785.90

Finding the Fourth Proportional to 977,758.22, 1,466,643.87 and 378,785.90

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Solution

The fourth proportional to 977,758.22, 1,466,643.87 and 378,785.90 is: 568,181.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,758.22 : 1,466,643.87 = 378,785.90 : x
  2. Step 2: Convert to fraction form
    977,758.22/1,466,643.87 = 378,785.90/x
  3. Step 3: Cross multiply
    977,758.22x = 1,466,643.87 × 378,785.90
  4. Step 4: Simplify right side
    977,758.22x = 555,544,018,277.43
  5. Step 5: Solve for x
    x = 555,544,018,277.43/977,758.22
  6. Step 6: Final answer
    x = 568,181.38

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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.