Home / 958,830.60-1,437,249.60-389,967.60

Finding the Fourth Proportional to 958,830.60, 1,437,249.60 and 389,967.60

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Solution

The fourth proportional to 958,830.60, 1,437,249.60 and 389,967.60 is: 584,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,830.60 : 1,437,249.60 = 389,967.60 : x
  2. Step 2: Convert to fraction form
    958,830.60/1,437,249.60 = 389,967.60/x
  3. Step 3: Cross multiply
    958,830.60x = 1,437,249.60 × 389,967.60
  4. Step 4: Simplify right side
    958,830.60x = 560,480,777,112.96
  5. Step 5: Solve for x
    x = 560,480,777,112.96/958,830.60
  6. Step 6: Final answer
    x = 584,546.19

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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.