Home / 913,141.76-1,260,067.20-510,656

Finding the Fourth Proportional to 913,141.76, 1,260,067.20 and 510,656

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Solution

The fourth proportional to 913,141.76, 1,260,067.20 and 510,656 is: 704,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,141.76 : 1,260,067.20 = 510,656 : x
  2. Step 2: Convert to fraction form
    913,141.76/1,260,067.20 = 510,656/x
  3. Step 3: Cross multiply
    913,141.76x = 1,260,067.20 × 510,656
  4. Step 4: Simplify right side
    913,141.76x = 643,460,876,083.20
  5. Step 5: Solve for x
    x = 643,460,876,083.20/913,141.76
  6. Step 6: Final answer
    x = 704,667.01

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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.