Home / 429,435.24-641,261.01-350,705.64

Finding the Fourth Proportional to 429,435.24, 641,261.01 and 350,705.64

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Solution

The fourth proportional to 429,435.24, 641,261.01 and 350,705.64 is: 523,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,435.24 : 641,261.01 = 350,705.64 : x
  2. Step 2: Convert to fraction form
    429,435.24/641,261.01 = 350,705.64/x
  3. Step 3: Cross multiply
    429,435.24x = 641,261.01 × 350,705.64
  4. Step 4: Simplify right side
    429,435.24x = 224,893,852,919.10
  5. Step 5: Solve for x
    x = 224,893,852,919.10/429,435.24
  6. Step 6: Final answer
    x = 523,696.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.