Home / 677,218.60-1,014,906.30-479,996.20

Finding the Fourth Proportional to 677,218.60, 1,014,906.30 and 479,996.20

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Solution

The fourth proportional to 677,218.60, 1,014,906.30 and 479,996.20 is: 719,341.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,218.60 : 1,014,906.30 = 479,996.20 : x
  2. Step 2: Convert to fraction form
    677,218.60/1,014,906.30 = 479,996.20/x
  3. Step 3: Cross multiply
    677,218.60x = 1,014,906.30 × 479,996.20
  4. Step 4: Simplify right side
    677,218.60x = 487,151,167,356.06
  5. Step 5: Solve for x
    x = 487,151,167,356.06/677,218.60
  6. Step 6: Final answer
    x = 719,341.09

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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.