Home / 976,716.60-1,465,334.10-345,564.60

Finding the Fourth Proportional to 976,716.60, 1,465,334.10 and 345,564.60

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Solution

The fourth proportional to 976,716.60, 1,465,334.10 and 345,564.60 is: 518,438.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,716.60 : 1,465,334.10 = 345,564.60 : x
  2. Step 2: Convert to fraction form
    976,716.60/1,465,334.10 = 345,564.60/x
  3. Step 3: Cross multiply
    976,716.60x = 1,465,334.10 × 345,564.60
  4. Step 4: Simplify right side
    976,716.60x = 506,367,592,132.86
  5. Step 5: Solve for x
    x = 506,367,592,132.86/976,716.60
  6. Step 6: Final answer
    x = 518,438.61

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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.