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Finding the Fourth Proportional to 888,791.01, 1,226,526.35 and 506,809.59

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Solution

The fourth proportional to 888,791.01, 1,226,526.35 and 506,809.59 is: 699,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,791.01 : 1,226,526.35 = 506,809.59 : x
  2. Step 2: Convert to fraction form
    888,791.01/1,226,526.35 = 506,809.59/x
  3. Step 3: Cross multiply
    888,791.01x = 1,226,526.35 × 506,809.59
  4. Step 4: Simplify right side
    888,791.01x = 621,615,314,033.65
  5. Step 5: Solve for x
    x = 621,615,314,033.65/888,791.01
  6. Step 6: Final answer
    x = 699,394.24

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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.