Home / 385,531.62-577,639.38-273,024.92

Finding the Fourth Proportional to 385,531.62, 577,639.38 and 273,024.92

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Solution

The fourth proportional to 385,531.62, 577,639.38 and 273,024.92 is: 409,071.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,531.62 : 577,639.38 = 273,024.92 : x
  2. Step 2: Convert to fraction form
    385,531.62/577,639.38 = 273,024.92/x
  3. Step 3: Cross multiply
    385,531.62x = 577,639.38 × 273,024.92
  4. Step 4: Simplify right side
    385,531.62x = 157,709,945,513.35
  5. Step 5: Solve for x
    x = 157,709,945,513.35/385,531.62
  6. Step 6: Final answer
    x = 409,071.36

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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.