Home / 713,201.17-1,069,868.13-257,906.52

Finding the Fourth Proportional to 713,201.17, 1,069,868.13 and 257,906.52

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Solution

The fourth proportional to 713,201.17, 1,069,868.13 and 257,906.52 is: 386,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,201.17 : 1,069,868.13 = 257,906.52 : x
  2. Step 2: Convert to fraction form
    713,201.17/1,069,868.13 = 257,906.52/x
  3. Step 3: Cross multiply
    713,201.17x = 1,069,868.13 × 257,906.52
  4. Step 4: Simplify right side
    713,201.17x = 275,925,966,267.21
  5. Step 5: Solve for x
    x = 275,925,966,267.21/713,201.17
  6. Step 6: Final answer
    x = 386,883.78

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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.