Home / 876,830.60-1,314,972.52-344,514.80

Finding the Fourth Proportional to 876,830.60, 1,314,972.52 and 344,514.80

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Solution

The fourth proportional to 876,830.60, 1,314,972.52 and 344,514.80 is: 516,664.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,830.60 : 1,314,972.52 = 344,514.80 : x
  2. Step 2: Convert to fraction form
    876,830.60/1,314,972.52 = 344,514.80/x
  3. Step 3: Cross multiply
    876,830.60x = 1,314,972.52 × 344,514.80
  4. Step 4: Simplify right side
    876,830.60x = 453,027,494,733.30
  5. Step 5: Solve for x
    x = 453,027,494,733.30/876,830.60
  6. Step 6: Final answer
    x = 516,664.79

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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.