Home / 798,801.30-1,198,212.54-266,322.50

Finding the Fourth Proportional to 798,801.30, 1,198,212.54 and 266,322.50

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Solution

The fourth proportional to 798,801.30, 1,198,212.54 and 266,322.50 is: 399,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,801.30 : 1,198,212.54 = 266,322.50 : x
  2. Step 2: Convert to fraction form
    798,801.30/1,198,212.54 = 266,322.50/x
  3. Step 3: Cross multiply
    798,801.30x = 1,198,212.54 × 266,322.50
  4. Step 4: Simplify right side
    798,801.30x = 319,110,953,193.09
  5. Step 5: Solve for x
    x = 319,110,953,193.09/798,801.30
  6. Step 6: Final answer
    x = 399,487.27

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1.5x scale

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.