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Finding the Fourth Proportional to 876,693.60, 1,314,003.60 and 455,752.80

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Solution

The fourth proportional to 876,693.60, 1,314,003.60 and 455,752.80 is: 683,090.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,693.60 : 1,314,003.60 = 455,752.80 : x
  2. Step 2: Convert to fraction form
    876,693.60/1,314,003.60 = 455,752.80/x
  3. Step 3: Cross multiply
    876,693.60x = 1,314,003.60 × 455,752.80
  4. Step 4: Simplify right side
    876,693.60x = 598,860,819,910.08
  5. Step 5: Solve for x
    x = 598,860,819,910.08/876,693.60
  6. Step 6: Final answer
    x = 683,090.22

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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.