Home / 430,788.22-594,671.52-306,689.20

Finding the Fourth Proportional to 430,788.22, 594,671.52 and 306,689.20

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Solution

The fourth proportional to 430,788.22, 594,671.52 and 306,689.20 is: 423,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,788.22 : 594,671.52 = 306,689.20 : x
  2. Step 2: Convert to fraction form
    430,788.22/594,671.52 = 306,689.20/x
  3. Step 3: Cross multiply
    430,788.22x = 594,671.52 × 306,689.20
  4. Step 4: Simplify right side
    430,788.22x = 182,379,332,731.58
  5. Step 5: Solve for x
    x = 182,379,332,731.58/430,788.22
  6. Step 6: Final answer
    x = 423,361.93

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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.