Home / 672,916.21-1,009,475.26-217,355.27

Finding the Fourth Proportional to 672,916.21, 1,009,475.26 and 217,355.27

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Solution

The fourth proportional to 672,916.21, 1,009,475.26 and 217,355.27 is: 326,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,916.21 : 1,009,475.26 = 217,355.27 : x
  2. Step 2: Convert to fraction form
    672,916.21/1,009,475.26 = 217,355.27/x
  3. Step 3: Cross multiply
    672,916.21x = 1,009,475.26 × 217,355.27
  4. Step 4: Simplify right side
    672,916.21x = 219,414,762,104.86
  5. Step 5: Solve for x
    x = 219,414,762,104.86/672,916.21
  6. Step 6: Final answer
    x = 326,065.50

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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.