Home / 910,166.64-1,365,198.84-279,078.60

Finding the Fourth Proportional to 910,166.64, 1,365,198.84 and 279,078.60

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Solution

The fourth proportional to 910,166.64, 1,365,198.84 and 279,078.60 is: 418,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,166.64 : 1,365,198.84 = 279,078.60 : x
  2. Step 2: Convert to fraction form
    910,166.64/1,365,198.84 = 279,078.60/x
  3. Step 3: Cross multiply
    910,166.64x = 1,365,198.84 × 279,078.60
  4. Step 4: Simplify right side
    910,166.64x = 380,997,780,988.82
  5. Step 5: Solve for x
    x = 380,997,780,988.82/910,166.64
  6. Step 6: Final answer
    x = 418,602.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.