Home / 906,317.96-1,250,690.14-498,418.54

Finding the Fourth Proportional to 906,317.96, 1,250,690.14 and 498,418.54

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Solution

The fourth proportional to 906,317.96, 1,250,690.14 and 498,418.54 is: 687,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,317.96 : 1,250,690.14 = 498,418.54 : x
  2. Step 2: Convert to fraction form
    906,317.96/1,250,690.14 = 498,418.54/x
  3. Step 3: Cross multiply
    906,317.96x = 1,250,690.14 × 498,418.54
  4. Step 4: Simplify right side
    906,317.96x = 623,367,153,571.20
  5. Step 5: Solve for x
    x = 623,367,153,571.20/906,317.96
  6. Step 6: Final answer
    x = 687,801.83

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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.