Home / 738,209-1,018,436.82-466,175.36

Finding the Fourth Proportional to 738,209, 1,018,436.82 and 466,175.36

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Solution

The fourth proportional to 738,209, 1,018,436.82 and 466,175.36 is: 643,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,209 : 1,018,436.82 = 466,175.36 : x
  2. Step 2: Convert to fraction form
    738,209/1,018,436.82 = 466,175.36/x
  3. Step 3: Cross multiply
    738,209x = 1,018,436.82 × 466,175.36
  4. Step 4: Simplify right side
    738,209x = 474,770,151,200.76
  5. Step 5: Solve for x
    x = 474,770,151,200.76/738,209
  6. Step 6: Final answer
    x = 643,137.85

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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.