Home / 803,476.52-1,205,284.82-263,570.91

Finding the Fourth Proportional to 803,476.52, 1,205,284.82 and 263,570.91

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Solution

The fourth proportional to 803,476.52, 1,205,284.82 and 263,570.91 is: 395,379.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,476.52 : 1,205,284.82 = 263,570.91 : x
  2. Step 2: Convert to fraction form
    803,476.52/1,205,284.82 = 263,570.91/x
  3. Step 3: Cross multiply
    803,476.52x = 1,205,284.82 × 263,570.91
  4. Step 4: Simplify right side
    803,476.52x = 317,678,015,498.73
  5. Step 5: Solve for x
    x = 317,678,015,498.73/803,476.52
  6. Step 6: Final answer
    x = 395,379.34

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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.