Home / 920,028.36-1,380,324.92-471,064.44

Finding the Fourth Proportional to 920,028.36, 1,380,324.92 and 471,064.44

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Solution

The fourth proportional to 920,028.36, 1,380,324.92 and 471,064.44 is: 706,741.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,028.36 : 1,380,324.92 = 471,064.44 : x
  2. Step 2: Convert to fraction form
    920,028.36/1,380,324.92 = 471,064.44/x
  3. Step 3: Cross multiply
    920,028.36x = 1,380,324.92 × 471,064.44
  4. Step 4: Simplify right side
    920,028.36x = 650,221,985,457.85
  5. Step 5: Solve for x
    x = 650,221,985,457.85/920,028.36
  6. Step 6: Final answer
    x = 706,741.24

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Double scale
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Similar ratio
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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.