Home / 657,480.06-985,396.81-353,126.29

Finding the Fourth Proportional to 657,480.06, 985,396.81 and 353,126.29

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Solution

The fourth proportional to 657,480.06, 985,396.81 and 353,126.29 is: 529,247.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,480.06 : 985,396.81 = 353,126.29 : x
  2. Step 2: Convert to fraction form
    657,480.06/985,396.81 = 353,126.29/x
  3. Step 3: Cross multiply
    657,480.06x = 985,396.81 × 353,126.29
  4. Step 4: Simplify right side
    657,480.06x = 347,969,519,693.14
  5. Step 5: Solve for x
    x = 347,969,519,693.14/657,480.06
  6. Step 6: Final answer
    x = 529,247.26

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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.