Home / 448,108-618,390.96-246,899.68

Finding the Fourth Proportional to 448,108, 618,390.96 and 246,899.68

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Solution

The fourth proportional to 448,108, 618,390.96 and 246,899.68 is: 340,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,108 : 618,390.96 = 246,899.68 : x
  2. Step 2: Convert to fraction form
    448,108/618,390.96 = 246,899.68/x
  3. Step 3: Cross multiply
    448,108x = 618,390.96 × 246,899.68
  4. Step 4: Simplify right side
    448,108x = 152,680,530,138.89
  5. Step 5: Solve for x
    x = 152,680,530,138.89/448,108
  6. Step 6: Final answer
    x = 340,722.62

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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.