Home / 430,781.22-594,661.86-306,682.20

Finding the Fourth Proportional to 430,781.22, 594,661.86 and 306,682.20

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Solution

The fourth proportional to 430,781.22, 594,661.86 and 306,682.20 is: 423,352.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,781.22 : 594,661.86 = 306,682.20 : x
  2. Step 2: Convert to fraction form
    430,781.22/594,661.86 = 306,682.20/x
  3. Step 3: Cross multiply
    430,781.22x = 594,661.86 × 306,682.20
  4. Step 4: Simplify right side
    430,781.22x = 182,372,207,480.89
  5. Step 5: Solve for x
    x = 182,372,207,480.89/430,781.22
  6. Step 6: Final answer
    x = 423,352.27

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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.