Home / 666,202.36-919,381.02-364,396.12

Finding the Fourth Proportional to 666,202.36, 919,381.02 and 364,396.12

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Solution

The fourth proportional to 666,202.36, 919,381.02 and 364,396.12 is: 502,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,202.36 : 919,381.02 = 364,396.12 : x
  2. Step 2: Convert to fraction form
    666,202.36/919,381.02 = 364,396.12/x
  3. Step 3: Cross multiply
    666,202.36x = 919,381.02 × 364,396.12
  4. Step 4: Simplify right side
    666,202.36x = 335,018,876,489.64
  5. Step 5: Solve for x
    x = 335,018,876,489.64/666,202.36
  6. Step 6: Final answer
    x = 502,878.55

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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.