Home / 1,008,220.49-1,391,326.77-549,338.85

Finding the Fourth Proportional to 1,008,220.49, 1,391,326.77 and 549,338.85

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Solution

The fourth proportional to 1,008,220.49, 1,391,326.77 and 549,338.85 is: 758,078.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,220.49 : 1,391,326.77 = 549,338.85 : x
  2. Step 2: Convert to fraction form
    1,008,220.49/1,391,326.77 = 549,338.85/x
  3. Step 3: Cross multiply
    1,008,220.49x = 1,391,326.77 × 549,338.85
  4. Step 4: Simplify right side
    1,008,220.49x = 764,309,847,806.02
  5. Step 5: Solve for x
    x = 764,309,847,806.02/1,008,220.49
  6. Step 6: Final answer
    x = 758,078.07

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.