Home / 447,912.13-618,118.76-246,708.13

Finding the Fourth Proportional to 447,912.13, 618,118.76 and 246,708.13

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Solution

The fourth proportional to 447,912.13, 618,118.76 and 246,708.13 is: 340,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,912.13 : 618,118.76 = 246,708.13 : x
  2. Step 2: Convert to fraction form
    447,912.13/618,118.76 = 246,708.13/x
  3. Step 3: Cross multiply
    447,912.13x = 618,118.76 × 246,708.13
  4. Step 4: Simplify right side
    447,912.13x = 152,494,923,397.52
  5. Step 5: Solve for x
    x = 152,494,923,397.52/447,912.13
  6. Step 6: Final answer
    x = 340,457.23

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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.