Home / 803,051.92-1,108,208.64-497,067.36

Finding the Fourth Proportional to 803,051.92, 1,108,208.64 and 497,067.36

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Solution

The fourth proportional to 803,051.92, 1,108,208.64 and 497,067.36 is: 685,951.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,051.92 : 1,108,208.64 = 497,067.36 : x
  2. Step 2: Convert to fraction form
    803,051.92/1,108,208.64 = 497,067.36/x
  3. Step 3: Cross multiply
    803,051.92x = 1,108,208.64 × 497,067.36
  4. Step 4: Simplify right side
    803,051.92x = 550,854,343,013.99
  5. Step 5: Solve for x
    x = 550,854,343,013.99/803,051.92
  6. Step 6: Final answer
    x = 685,951.09

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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.