Home / 799,502.51-1,199,122.41-287,061.57

Finding the Fourth Proportional to 799,502.51, 1,199,122.41 and 287,061.57

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Solution

The fourth proportional to 799,502.51, 1,199,122.41 and 287,061.57 is: 430,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,502.51 : 1,199,122.41 = 287,061.57 : x
  2. Step 2: Convert to fraction form
    799,502.51/1,199,122.41 = 287,061.57/x
  3. Step 3: Cross multiply
    799,502.51x = 1,199,122.41 × 287,061.57
  4. Step 4: Simplify right side
    799,502.51x = 344,221,961,098.54
  5. Step 5: Solve for x
    x = 344,221,961,098.54/799,502.51
  6. Step 6: Final answer
    x = 430,545.19

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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.