Home / 906,339.75-1,250,723.88-498,441.59

Finding the Fourth Proportional to 906,339.75, 1,250,723.88 and 498,441.59

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Solution

The fourth proportional to 906,339.75, 1,250,723.88 and 498,441.59 is: 687,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,339.75 : 1,250,723.88 = 498,441.59 : x
  2. Step 2: Convert to fraction form
    906,339.75/1,250,723.88 = 498,441.59/x
  3. Step 3: Cross multiply
    906,339.75x = 1,250,723.88 × 498,441.59
  4. Step 4: Simplify right side
    906,339.75x = 623,412,793,144.55
  5. Step 5: Solve for x
    x = 623,412,793,144.55/906,339.75
  6. Step 6: Final answer
    x = 687,835.65

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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.