Home / 929,686.82-1,395,277.64-480,539.30

Finding the Fourth Proportional to 929,686.82, 1,395,277.64 and 480,539.30

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Solution

The fourth proportional to 929,686.82, 1,395,277.64 and 480,539.30 is: 721,195.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,686.82 : 1,395,277.64 = 480,539.30 : x
  2. Step 2: Convert to fraction form
    929,686.82/1,395,277.64 = 480,539.30/x
  3. Step 3: Cross multiply
    929,686.82x = 1,395,277.64 × 480,539.30
  4. Step 4: Simplify right side
    929,686.82x = 670,485,734,656.21
  5. Step 5: Solve for x
    x = 670,485,734,656.21/929,686.82
  6. Step 6: Final answer
    x = 721,195.27

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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.