Home / 806,633.88-1,209,984.20-238,014.98

Finding the Fourth Proportional to 806,633.88, 1,209,984.20 and 238,014.98

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Solution

The fourth proportional to 806,633.88, 1,209,984.20 and 238,014.98 is: 357,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,633.88 : 1,209,984.20 = 238,014.98 : x
  2. Step 2: Convert to fraction form
    806,633.88/1,209,984.20 = 238,014.98/x
  3. Step 3: Cross multiply
    806,633.88x = 1,209,984.20 × 238,014.98
  4. Step 4: Simplify right side
    806,633.88x = 287,994,359,708.43
  5. Step 5: Solve for x
    x = 287,994,359,708.43/806,633.88
  6. Step 6: Final answer
    x = 357,032.31

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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.