Home / 879,227.47-1,318,656.61-247,993.66

Finding the Fourth Proportional to 879,227.47, 1,318,656.61 and 247,993.66

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Solution

The fourth proportional to 879,227.47, 1,318,656.61 and 247,993.66 is: 371,938.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,227.47 : 1,318,656.61 = 247,993.66 : x
  2. Step 2: Convert to fraction form
    879,227.47/1,318,656.61 = 247,993.66/x
  3. Step 3: Cross multiply
    879,227.47x = 1,318,656.61 × 247,993.66
  4. Step 4: Simplify right side
    879,227.47x = 327,018,478,997.09
  5. Step 5: Solve for x
    x = 327,018,478,997.09/879,227.47
  6. Step 6: Final answer
    x = 371,938.42

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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.