Home / 574,921.32-793,485.90-320,354.52

Finding the Fourth Proportional to 574,921.32, 793,485.90 and 320,354.52

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Solution

The fourth proportional to 574,921.32, 793,485.90 and 320,354.52 is: 442,141.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,921.32 : 793,485.90 = 320,354.52 : x
  2. Step 2: Convert to fraction form
    574,921.32/793,485.90 = 320,354.52/x
  3. Step 3: Cross multiply
    574,921.32x = 793,485.90 × 320,354.52
  4. Step 4: Simplify right side
    574,921.32x = 254,196,794,621.27
  5. Step 5: Solve for x
    x = 254,196,794,621.27/574,921.32
  6. Step 6: Final answer
    x = 442,141.88

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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.