Home / 775,577.20-1,163,365.80-401,714.80

Finding the Fourth Proportional to 775,577.20, 1,163,365.80 and 401,714.80

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Solution

The fourth proportional to 775,577.20, 1,163,365.80 and 401,714.80 is: 602,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,577.20 : 1,163,365.80 = 401,714.80 : x
  2. Step 2: Convert to fraction form
    775,577.20/1,163,365.80 = 401,714.80/x
  3. Step 3: Cross multiply
    775,577.20x = 1,163,365.80 × 401,714.80
  4. Step 4: Simplify right side
    775,577.20x = 467,341,259,673.84
  5. Step 5: Solve for x
    x = 467,341,259,673.84/775,577.20
  6. Step 6: Final answer
    x = 602,572.20

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Double scale
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Similar ratio
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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.