Home / 850,789.51-1,276,209.02-318,208.93

Finding the Fourth Proportional to 850,789.51, 1,276,209.02 and 318,208.93

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Solution

The fourth proportional to 850,789.51, 1,276,209.02 and 318,208.93 is: 477,322.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,789.51 : 1,276,209.02 = 318,208.93 : x
  2. Step 2: Convert to fraction form
    850,789.51/1,276,209.02 = 318,208.93/x
  3. Step 3: Cross multiply
    850,789.51x = 1,276,209.02 × 318,208.93
  4. Step 4: Simplify right side
    850,789.51x = 406,101,106,710.55
  5. Step 5: Solve for x
    x = 406,101,106,710.55/850,789.51
  6. Step 6: Final answer
    x = 477,322.65

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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.