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Finding the Fourth Proportional to 605,250, 835,250.76 and 336,983.76

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Solution

The fourth proportional to 605,250, 835,250.76 and 336,983.76 is: 465,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,250 : 835,250.76 = 336,983.76 : x
  2. Step 2: Convert to fraction form
    605,250/835,250.76 = 336,983.76/x
  3. Step 3: Cross multiply
    605,250x = 835,250.76 × 336,983.76
  4. Step 4: Simplify right side
    605,250x = 281,465,941,647.66
  5. Step 5: Solve for x
    x = 281,465,941,647.66/605,250
  6. Step 6: Final answer
    x = 465,040.80

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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.