Home / 851,079.11-1,174,475.18-469,141.43

Finding the Fourth Proportional to 851,079.11, 1,174,475.18 and 469,141.43

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Solution

The fourth proportional to 851,079.11, 1,174,475.18 and 469,141.43 is: 647,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,079.11 : 1,174,475.18 = 469,141.43 : x
  2. Step 2: Convert to fraction form
    851,079.11/1,174,475.18 = 469,141.43/x
  3. Step 3: Cross multiply
    851,079.11x = 1,174,475.18 × 469,141.43
  4. Step 4: Simplify right side
    851,079.11x = 550,994,963,099.00
  5. Step 5: Solve for x
    x = 550,994,963,099.00/851,079.11
  6. Step 6: Final answer
    x = 647,407.46

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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.