Home / 761,012.80-1,141,594.72-281,366.24

Finding the Fourth Proportional to 761,012.80, 1,141,594.72 and 281,366.24

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Solution

The fourth proportional to 761,012.80, 1,141,594.72 and 281,366.24 is: 422,077.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,012.80 : 1,141,594.72 = 281,366.24 : x
  2. Step 2: Convert to fraction form
    761,012.80/1,141,594.72 = 281,366.24/x
  3. Step 3: Cross multiply
    761,012.80x = 1,141,594.72 × 281,366.24
  4. Step 4: Simplify right side
    761,012.80x = 321,206,213,970.25
  5. Step 5: Solve for x
    x = 321,206,213,970.25/761,012.80
  6. Step 6: Final answer
    x = 422,077.28

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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.