Home / 672,057.10-1,008,085.65-448,108.30

Finding the Fourth Proportional to 672,057.10, 1,008,085.65 and 448,108.30

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Solution

The fourth proportional to 672,057.10, 1,008,085.65 and 448,108.30 is: 672,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,057.10 : 1,008,085.65 = 448,108.30 : x
  2. Step 2: Convert to fraction form
    672,057.10/1,008,085.65 = 448,108.30/x
  3. Step 3: Cross multiply
    672,057.10x = 1,008,085.65 × 448,108.30
  4. Step 4: Simplify right side
    672,057.10x = 451,731,546,875.90
  5. Step 5: Solve for x
    x = 451,731,546,875.90/672,057.10
  6. Step 6: Final answer
    x = 672,162.45

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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.