Home / 839,259.93-1,259,014.98-299,474.13

Finding the Fourth Proportional to 839,259.93, 1,259,014.98 and 299,474.13

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Solution

The fourth proportional to 839,259.93, 1,259,014.98 and 299,474.13 is: 449,255.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,259.93 : 1,259,014.98 = 299,474.13 : x
  2. Step 2: Convert to fraction form
    839,259.93/1,259,014.98 = 299,474.13/x
  3. Step 3: Cross multiply
    839,259.93x = 1,259,014.98 × 299,474.13
  4. Step 4: Simplify right side
    839,259.93x = 377,042,415,792.47
  5. Step 5: Solve for x
    x = 377,042,415,792.47/839,259.93
  6. Step 6: Final answer
    x = 449,255.83

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1.5x scale

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.