Home / 957,121.29-1,320,855.17-527,429.14

Finding the Fourth Proportional to 957,121.29, 1,320,855.17 and 527,429.14

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Solution

The fourth proportional to 957,121.29, 1,320,855.17 and 527,429.14 is: 727,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,121.29 : 1,320,855.17 = 527,429.14 : x
  2. Step 2: Convert to fraction form
    957,121.29/1,320,855.17 = 527,429.14/x
  3. Step 3: Cross multiply
    957,121.29x = 1,320,855.17 × 527,429.14
  4. Step 4: Simplify right side
    957,121.29x = 696,657,507,696.23
  5. Step 5: Solve for x
    x = 696,657,507,696.23/957,121.29
  6. Step 6: Final answer
    x = 727,867.53

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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.