Home / 876,601.25-1,209,617.56-509,006.54

Finding the Fourth Proportional to 876,601.25, 1,209,617.56 and 509,006.54

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Solution

The fourth proportional to 876,601.25, 1,209,617.56 and 509,006.54 is: 702,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,601.25 : 1,209,617.56 = 509,006.54 : x
  2. Step 2: Convert to fraction form
    876,601.25/1,209,617.56 = 509,006.54/x
  3. Step 3: Cross multiply
    876,601.25x = 1,209,617.56 × 509,006.54
  4. Step 4: Simplify right side
    876,601.25x = 615,703,252,599.14
  5. Step 5: Solve for x
    x = 615,703,252,599.14/876,601.25
  6. Step 6: Final answer
    x = 702,375.51

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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.