Home / 801,011.31-1,105,930.80-474,429.33

Finding the Fourth Proportional to 801,011.31, 1,105,930.80 and 474,429.33

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Solution

The fourth proportional to 801,011.31, 1,105,930.80 and 474,429.33 is: 655,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,011.31 : 1,105,930.80 = 474,429.33 : x
  2. Step 2: Convert to fraction form
    801,011.31/1,105,930.80 = 474,429.33/x
  3. Step 3: Cross multiply
    801,011.31x = 1,105,930.80 × 474,429.33
  4. Step 4: Simplify right side
    801,011.31x = 524,686,008,470.36
  5. Step 5: Solve for x
    x = 524,686,008,470.36/801,011.31
  6. Step 6: Final answer
    x = 655,029.46

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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.