Home / 801,266.08-1,106,496.48-515,282.64

Finding the Fourth Proportional to 801,266.08, 1,106,496.48 and 515,282.64

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Solution

The fourth proportional to 801,266.08, 1,106,496.48 and 515,282.64 is: 711,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,266.08 : 1,106,496.48 = 515,282.64 : x
  2. Step 2: Convert to fraction form
    801,266.08/1,106,496.48 = 515,282.64/x
  3. Step 3: Cross multiply
    801,266.08x = 1,106,496.48 × 515,282.64
  4. Step 4: Simplify right side
    801,266.08x = 570,158,427,365.11
  5. Step 5: Solve for x
    x = 570,158,427,365.11/801,266.08
  6. Step 6: Final answer
    x = 711,571.90

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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.