Home / 761,496.69-1,141,043.38-281,063.22

Finding the Fourth Proportional to 761,496.69, 1,141,043.38 and 281,063.22

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Solution

The fourth proportional to 761,496.69, 1,141,043.38 and 281,063.22 is: 421,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,496.69 : 1,141,043.38 = 281,063.22 : x
  2. Step 2: Convert to fraction form
    761,496.69/1,141,043.38 = 281,063.22/x
  3. Step 3: Cross multiply
    761,496.69x = 1,141,043.38 × 281,063.22
  4. Step 4: Simplify right side
    761,496.69x = 320,705,326,542.48
  5. Step 5: Solve for x
    x = 320,705,326,542.48/761,496.69
  6. Step 6: Final answer
    x = 421,151.31

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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.