Home / 679,497.96-1,019,247.06-199,725.72

Finding the Fourth Proportional to 679,497.96, 1,019,247.06 and 199,725.72

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Solution

The fourth proportional to 679,497.96, 1,019,247.06 and 199,725.72 is: 299,588.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,497.96 : 1,019,247.06 = 199,725.72 : x
  2. Step 2: Convert to fraction form
    679,497.96/1,019,247.06 = 199,725.72/x
  3. Step 3: Cross multiply
    679,497.96x = 1,019,247.06 × 199,725.72
  4. Step 4: Simplify right side
    679,497.96x = 203,569,852,916.38
  5. Step 5: Solve for x
    x = 203,569,852,916.38/679,497.96
  6. Step 6: Final answer
    x = 299,588.62

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Half scale
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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.