Home / 992,012.24-1,368,918.76-539,299.28

Finding the Fourth Proportional to 992,012.24, 1,368,918.76 and 539,299.28

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Solution

The fourth proportional to 992,012.24, 1,368,918.76 and 539,299.28 is: 744,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,012.24 : 1,368,918.76 = 539,299.28 : x
  2. Step 2: Convert to fraction form
    992,012.24/1,368,918.76 = 539,299.28/x
  3. Step 3: Cross multiply
    992,012.24x = 1,368,918.76 × 539,299.28
  4. Step 4: Simplify right side
    992,012.24x = 738,256,901,646.49
  5. Step 5: Solve for x
    x = 738,256,901,646.49/992,012.24
  6. Step 6: Final answer
    x = 744,201.40

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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.