Home / 557,893.20-770,090.07-331,536

Finding the Fourth Proportional to 557,893.20, 770,090.07 and 331,536

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Solution

The fourth proportional to 557,893.20, 770,090.07 and 331,536 is: 457,637.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,893.20 : 770,090.07 = 331,536 : x
  2. Step 2: Convert to fraction form
    557,893.20/770,090.07 = 331,536/x
  3. Step 3: Cross multiply
    557,893.20x = 770,090.07 × 331,536
  4. Step 4: Simplify right side
    557,893.20x = 255,312,581,447.52
  5. Step 5: Solve for x
    x = 255,312,581,447.52/557,893.20
  6. Step 6: Final answer
    x = 457,637.02

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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.