Home / 617,146.02-925,659.09-418,741.38

Finding the Fourth Proportional to 617,146.02, 925,659.09 and 418,741.38

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Solution

The fourth proportional to 617,146.02, 925,659.09 and 418,741.38 is: 628,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,146.02 : 925,659.09 = 418,741.38 : x
  2. Step 2: Convert to fraction form
    617,146.02/925,659.09 = 418,741.38/x
  3. Step 3: Cross multiply
    617,146.02x = 925,659.09 × 418,741.38
  4. Step 4: Simplify right side
    617,146.02x = 387,611,764,756.14
  5. Step 5: Solve for x
    x = 387,611,764,756.14/617,146.02
  6. Step 6: Final answer
    x = 628,071.40

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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.