Home / 672,201.27-927,014.63-490,625.60

Finding the Fourth Proportional to 672,201.27, 927,014.63 and 490,625.60

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Solution

The fourth proportional to 672,201.27, 927,014.63 and 490,625.60 is: 676,608.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,201.27 : 927,014.63 = 490,625.60 : x
  2. Step 2: Convert to fraction form
    672,201.27/927,014.63 = 490,625.60/x
  3. Step 3: Cross multiply
    672,201.27x = 927,014.63 × 490,625.60
  4. Step 4: Simplify right side
    672,201.27x = 454,817,101,964.33
  5. Step 5: Solve for x
    x = 454,817,101,964.33/672,201.27
  6. Step 6: Final answer
    x = 676,608.51

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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.