Home / 851,016.02-1,276,713.27-371,321.57

Finding the Fourth Proportional to 851,016.02, 1,276,713.27 and 371,321.57

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Solution

The fourth proportional to 851,016.02, 1,276,713.27 and 371,321.57 is: 557,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,016.02 : 1,276,713.27 = 371,321.57 : x
  2. Step 2: Convert to fraction form
    851,016.02/1,276,713.27 = 371,321.57/x
  3. Step 3: Cross multiply
    851,016.02x = 1,276,713.27 × 371,321.57
  4. Step 4: Simplify right side
    851,016.02x = 474,071,169,472.67
  5. Step 5: Solve for x
    x = 474,071,169,472.67/851,016.02
  6. Step 6: Final answer
    x = 557,064.92

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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.