Home / 692,983.26-1,039,474.80-260,781.96

Finding the Fourth Proportional to 692,983.26, 1,039,474.80 and 260,781.96

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Solution

The fourth proportional to 692,983.26, 1,039,474.80 and 260,781.96 is: 391,172.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,983.26 : 1,039,474.80 = 260,781.96 : x
  2. Step 2: Convert to fraction form
    692,983.26/1,039,474.80 = 260,781.96/x
  3. Step 3: Cross multiply
    692,983.26x = 1,039,474.80 × 260,781.96
  4. Step 4: Simplify right side
    692,983.26x = 271,076,275,714.61
  5. Step 5: Solve for x
    x = 271,076,275,714.61/692,983.26
  6. Step 6: Final answer
    x = 391,172.91

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1.5x scale

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.