Home / 746,287.20-1,118,774.70-446,886.90

Finding the Fourth Proportional to 746,287.20, 1,118,774.70 and 446,886.90

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Solution

The fourth proportional to 746,287.20, 1,118,774.70 and 446,886.90 is: 669,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,287.20 : 1,118,774.70 = 446,886.90 : x
  2. Step 2: Convert to fraction form
    746,287.20/1,118,774.70 = 446,886.90/x
  3. Step 3: Cross multiply
    746,287.20x = 1,118,774.70 × 446,886.90
  4. Step 4: Simplify right side
    746,287.20x = 499,965,757,481.43
  5. Step 5: Solve for x
    x = 499,965,757,481.43/746,287.20
  6. Step 6: Final answer
    x = 669,937.47

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Double scale
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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.