Home / 403,890.30-557,193.38-240,455.33

Finding the Fourth Proportional to 403,890.30, 557,193.38 and 240,455.33

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Solution

The fourth proportional to 403,890.30, 557,193.38 and 240,455.33 is: 331,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,890.30 : 557,193.38 = 240,455.33 : x
  2. Step 2: Convert to fraction form
    403,890.30/557,193.38 = 240,455.33/x
  3. Step 3: Cross multiply
    403,890.30x = 557,193.38 × 240,455.33
  4. Step 4: Simplify right side
    403,890.30x = 133,980,120,649.72
  5. Step 5: Solve for x
    x = 133,980,120,649.72/403,890.30
  6. Step 6: Final answer
    x = 331,724.04

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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.