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Finding the Fourth Proportional to 582,017.75, 871,336.23 and 356,696.60

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Solution

The fourth proportional to 582,017.75, 871,336.23 and 356,696.60 is: 534,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,017.75 : 871,336.23 = 356,696.60 : x
  2. Step 2: Convert to fraction form
    582,017.75/871,336.23 = 356,696.60/x
  3. Step 3: Cross multiply
    582,017.75x = 871,336.23 × 356,696.60
  4. Step 4: Simplify right side
    582,017.75x = 310,802,670,697.82
  5. Step 5: Solve for x
    x = 310,802,670,697.82/582,017.75
  6. Step 6: Final answer
    x = 534,008.92

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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.