Home / 456,492.20-684,738.30-448,716.20

Finding the Fourth Proportional to 456,492.20, 684,738.30 and 448,716.20

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Solution

The fourth proportional to 456,492.20, 684,738.30 and 448,716.20 is: 673,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,492.20 : 684,738.30 = 448,716.20 : x
  2. Step 2: Convert to fraction form
    456,492.20/684,738.30 = 448,716.20/x
  3. Step 3: Cross multiply
    456,492.20x = 684,738.30 × 448,716.20
  4. Step 4: Simplify right side
    456,492.20x = 307,253,167,970.46
  5. Step 5: Solve for x
    x = 307,253,167,970.46/456,492.20
  6. Step 6: Final answer
    x = 673,074.30

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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.