Home / 766,881.60-1,149,458.40-367,713.60

Finding the Fourth Proportional to 766,881.60, 1,149,458.40 and 367,713.60

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Solution

The fourth proportional to 766,881.60, 1,149,458.40 and 367,713.60 is: 551,156.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,881.60 : 1,149,458.40 = 367,713.60 : x
  2. Step 2: Convert to fraction form
    766,881.60/1,149,458.40 = 367,713.60/x
  3. Step 3: Cross multiply
    766,881.60x = 1,149,458.40 × 367,713.60
  4. Step 4: Simplify right side
    766,881.60x = 422,671,486,314.24
  5. Step 5: Solve for x
    x = 422,671,486,314.24/766,881.60
  6. Step 6: Final answer
    x = 551,156.12

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1.5x scale

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.