Home / 557,896.20-770,094.18-331,539

Finding the Fourth Proportional to 557,896.20, 770,094.18 and 331,539

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Solution

The fourth proportional to 557,896.20, 770,094.18 and 331,539 is: 457,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,896.20 : 770,094.18 = 331,539 : x
  2. Step 2: Convert to fraction form
    557,896.20/770,094.18 = 331,539/x
  3. Step 3: Cross multiply
    557,896.20x = 770,094.18 × 331,539
  4. Step 4: Simplify right side
    557,896.20x = 255,316,254,343.02
  5. Step 5: Solve for x
    x = 255,316,254,343.02/557,896.20
  6. Step 6: Final answer
    x = 457,641.14

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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.