Home / 631,513.47-947,944.55-271,862.34

Finding the Fourth Proportional to 631,513.47, 947,944.55 and 271,862.34

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Solution

The fourth proportional to 631,513.47, 947,944.55 and 271,862.34 is: 408,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,513.47 : 947,944.55 = 271,862.34 : x
  2. Step 2: Convert to fraction form
    631,513.47/947,944.55 = 271,862.34/x
  3. Step 3: Cross multiply
    631,513.47x = 947,944.55 × 271,862.34
  4. Step 4: Simplify right side
    631,513.47x = 257,710,423,553.25
  5. Step 5: Solve for x
    x = 257,710,423,553.25/631,513.47
  6. Step 6: Final answer
    x = 408,083.81

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1.5x scale

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.