Home / 456,002.20-684,003.30-448,226.20

Finding the Fourth Proportional to 456,002.20, 684,003.30 and 448,226.20

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Solution

The fourth proportional to 456,002.20, 684,003.30 and 448,226.20 is: 672,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,002.20 : 684,003.30 = 448,226.20 : x
  2. Step 2: Convert to fraction form
    456,002.20/684,003.30 = 448,226.20/x
  3. Step 3: Cross multiply
    456,002.20x = 684,003.30 × 448,226.20
  4. Step 4: Simplify right side
    456,002.20x = 306,588,199,946.46
  5. Step 5: Solve for x
    x = 306,588,199,946.46/456,002.20
  6. Step 6: Final answer
    x = 672,339.30

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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.