Home / 715,164.72-1,072,629.18-235,398.77

Finding the Fourth Proportional to 715,164.72, 1,072,629.18 and 235,398.77

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Solution

The fourth proportional to 715,164.72, 1,072,629.18 and 235,398.77 is: 353,059.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,164.72 : 1,072,629.18 = 235,398.77 : x
  2. Step 2: Convert to fraction form
    715,164.72/1,072,629.18 = 235,398.77/x
  3. Step 3: Cross multiply
    715,164.72x = 1,072,629.18 × 235,398.77
  4. Step 4: Simplify right side
    715,164.72x = 252,495,584,618.49
  5. Step 5: Solve for x
    x = 252,495,584,618.49/715,164.72
  6. Step 6: Final answer
    x = 353,059.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.