Home / 529,837.62-731,179.35-288,122.82

Finding the Fourth Proportional to 529,837.62, 731,179.35 and 288,122.82

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Solution

The fourth proportional to 529,837.62, 731,179.35 and 288,122.82 is: 397,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,837.62 : 731,179.35 = 288,122.82 : x
  2. Step 2: Convert to fraction form
    529,837.62/731,179.35 = 288,122.82/x
  3. Step 3: Cross multiply
    529,837.62x = 731,179.35 × 288,122.82
  4. Step 4: Simplify right side
    529,837.62x = 210,669,456,247.77
  5. Step 5: Solve for x
    x = 210,669,456,247.77/529,837.62
  6. Step 6: Final answer
    x = 397,611.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.