Home / 851,133.12-1,174,563.41-469,166.28

Finding the Fourth Proportional to 851,133.12, 1,174,563.41 and 469,166.28

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Solution

The fourth proportional to 851,133.12, 1,174,563.41 and 469,166.28 is: 647,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,133.12 : 1,174,563.41 = 469,166.28 : x
  2. Step 2: Convert to fraction form
    851,133.12/1,174,563.41 = 469,166.28/x
  3. Step 3: Cross multiply
    851,133.12x = 1,174,563.41 × 469,166.28
  4. Step 4: Simplify right side
    851,133.12x = 551,065,545,693.82
  5. Step 5: Solve for x
    x = 551,065,545,693.82/851,133.12
  6. Step 6: Final answer
    x = 647,449.30

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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.