Home / 672,037.90-1,008,056.85-198,681.10

Finding the Fourth Proportional to 672,037.90, 1,008,056.85 and 198,681.10

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Solution

The fourth proportional to 672,037.90, 1,008,056.85 and 198,681.10 is: 298,021.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,037.90 : 1,008,056.85 = 198,681.10 : x
  2. Step 2: Convert to fraction form
    672,037.90/1,008,056.85 = 198,681.10/x
  3. Step 3: Cross multiply
    672,037.90x = 1,008,056.85 × 198,681.10
  4. Step 4: Simplify right side
    672,037.90x = 200,281,843,820.54
  5. Step 5: Solve for x
    x = 200,281,843,820.54/672,037.90
  6. Step 6: Final answer
    x = 298,021.65

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Double scale
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Similar ratio
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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.