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Finding the Fourth Proportional to 526,489.66, 789,832.93 and 210,971.17

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Solution

The fourth proportional to 526,489.66, 789,832.93 and 210,971.17 is: 316,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,489.66 : 789,832.93 = 210,971.17 : x
  2. Step 2: Convert to fraction form
    526,489.66/789,832.93 = 210,971.17/x
  3. Step 3: Cross multiply
    526,489.66x = 789,832.93 × 210,971.17
  4. Step 4: Simplify right side
    526,489.66x = 166,631,974,844.62
  5. Step 5: Solve for x
    x = 166,631,974,844.62/526,489.66
  6. Step 6: Final answer
    x = 316,496.20

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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.