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Finding the Fourth Proportional to 605,398.88, 835,548 and 350,896.88

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Solution

The fourth proportional to 605,398.88, 835,548 and 350,896.88 is: 484,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,398.88 : 835,548 = 350,896.88 : x
  2. Step 2: Convert to fraction form
    605,398.88/835,548 = 350,896.88/x
  3. Step 3: Cross multiply
    605,398.88x = 835,548 × 350,896.88
  4. Step 4: Simplify right side
    605,398.88x = 293,191,186,290.24
  5. Step 5: Solve for x
    x = 293,191,186,290.24/605,398.88
  6. Step 6: Final answer
    x = 484,294.23

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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.