Home / 851,116.32-1,276,342.31-371,490.81

Finding the Fourth Proportional to 851,116.32, 1,276,342.31 and 371,490.81

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Solution

The fourth proportional to 851,116.32, 1,276,342.31 and 371,490.81 is: 557,091.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,116.32 : 1,276,342.31 = 371,490.81 : x
  2. Step 2: Convert to fraction form
    851,116.32/1,276,342.31 = 371,490.81/x
  3. Step 3: Cross multiply
    851,116.32x = 1,276,342.31 × 371,490.81
  4. Step 4: Simplify right side
    851,116.32x = 474,149,436,721.72
  5. Step 5: Solve for x
    x = 474,149,436,721.72/851,116.32
  6. Step 6: Final answer
    x = 557,091.23

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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.