Home / 802,628.83-1,107,638.58-440,051.82

Finding the Fourth Proportional to 802,628.83, 1,107,638.58 and 440,051.82

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Solution

The fourth proportional to 802,628.83, 1,107,638.58 and 440,051.82 is: 607,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,628.83 : 1,107,638.58 = 440,051.82 : x
  2. Step 2: Convert to fraction form
    802,628.83/1,107,638.58 = 440,051.82/x
  3. Step 3: Cross multiply
    802,628.83x = 1,107,638.58 × 440,051.82
  4. Step 4: Simplify right side
    802,628.83x = 487,418,367,493.02
  5. Step 5: Solve for x
    x = 487,418,367,493.02/802,628.83
  6. Step 6: Final answer
    x = 607,277.42

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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.