Home / 672,773.65-1,008,988.55-199,348.29

Finding the Fourth Proportional to 672,773.65, 1,008,988.55 and 199,348.29

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Solution

The fourth proportional to 672,773.65, 1,008,988.55 and 199,348.29 is: 298,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,773.65 : 1,008,988.55 = 199,348.29 : x
  2. Step 2: Convert to fraction form
    672,773.65/1,008,988.55 = 199,348.29/x
  3. Step 3: Cross multiply
    672,773.65x = 1,008,988.55 × 199,348.29
  4. Step 4: Simplify right side
    672,773.65x = 201,140,141,822.89
  5. Step 5: Solve for x
    x = 201,140,141,822.89/672,773.65
  6. Step 6: Final answer
    x = 298,971.49

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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.