Home / 747,906.40-1,121,859.60-629,808.40

Finding the Fourth Proportional to 747,906.40, 1,121,859.60 and 629,808.40

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Solution

The fourth proportional to 747,906.40, 1,121,859.60 and 629,808.40 is: 944,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,906.40 : 1,121,859.60 = 629,808.40 : x
  2. Step 2: Convert to fraction form
    747,906.40/1,121,859.60 = 629,808.40/x
  3. Step 3: Cross multiply
    747,906.40x = 1,121,859.60 × 629,808.40
  4. Step 4: Simplify right side
    747,906.40x = 706,556,599,700.64
  5. Step 5: Solve for x
    x = 706,556,599,700.64/747,906.40
  6. Step 6: Final answer
    x = 944,712.60

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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.