Home / 727,714.35-1,086,454.80-556,037.58

Finding the Fourth Proportional to 727,714.35, 1,086,454.80 and 556,037.58

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Solution

The fourth proportional to 727,714.35, 1,086,454.80 and 556,037.58 is: 830,146.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,714.35 : 1,086,454.80 = 556,037.58 : x
  2. Step 2: Convert to fraction form
    727,714.35/1,086,454.80 = 556,037.58/x
  3. Step 3: Cross multiply
    727,714.35x = 1,086,454.80 × 556,037.58
  4. Step 4: Simplify right side
    727,714.35x = 604,109,694,991.20
  5. Step 5: Solve for x
    x = 604,109,694,991.20/727,714.35
  6. Step 6: Final answer
    x = 830,146.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.