Home / 775,221.03-1,069,805.88-431,053.25

Finding the Fourth Proportional to 775,221.03, 1,069,805.88 and 431,053.25

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Solution

The fourth proportional to 775,221.03, 1,069,805.88 and 431,053.25 is: 594,853.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,221.03 : 1,069,805.88 = 431,053.25 : x
  2. Step 2: Convert to fraction form
    775,221.03/1,069,805.88 = 431,053.25/x
  3. Step 3: Cross multiply
    775,221.03x = 1,069,805.88 × 431,053.25
  4. Step 4: Simplify right side
    775,221.03x = 461,143,296,094.08
  5. Step 5: Solve for x
    x = 461,143,296,094.08/775,221.03
  6. Step 6: Final answer
    x = 594,853.96

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Double scale
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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.