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Finding the Fourth Proportional to 652,273.39, 900,179.85 and 376,642.87

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Solution

The fourth proportional to 652,273.39, 900,179.85 and 376,642.87 is: 519,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,273.39 : 900,179.85 = 376,642.87 : x
  2. Step 2: Convert to fraction form
    652,273.39/900,179.85 = 376,642.87/x
  3. Step 3: Cross multiply
    652,273.39x = 900,179.85 × 376,642.87
  4. Step 4: Simplify right side
    652,273.39x = 339,046,315,836.06
  5. Step 5: Solve for x
    x = 339,046,315,836.06/652,273.39
  6. Step 6: Final answer
    x = 519,791.74

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1.5x scale

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.