Home / 672,814.52-1,009,416.59-199,511.27

Finding the Fourth Proportional to 672,814.52, 1,009,416.59 and 199,511.27

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Solution

The fourth proportional to 672,814.52, 1,009,416.59 and 199,511.27 is: 299,324.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,814.52 : 1,009,416.59 = 199,511.27 : x
  2. Step 2: Convert to fraction form
    672,814.52/1,009,416.59 = 199,511.27/x
  3. Step 3: Cross multiply
    672,814.52x = 1,009,416.59 × 199,511.27
  4. Step 4: Simplify right side
    672,814.52x = 201,389,979,785.33
  5. Step 5: Solve for x
    x = 201,389,979,785.33/672,814.52
  6. Step 6: Final answer
    x = 299,324.67

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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.