Home / 766,783.60-1,149,311.40-367,615.60

Finding the Fourth Proportional to 766,783.60, 1,149,311.40 and 367,615.60

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Solution

The fourth proportional to 766,783.60, 1,149,311.40 and 367,615.60 is: 551,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,783.60 : 1,149,311.40 = 367,615.60 : x
  2. Step 2: Convert to fraction form
    766,783.60/1,149,311.40 = 367,615.60/x
  3. Step 3: Cross multiply
    766,783.60x = 1,149,311.40 × 367,615.60
  4. Step 4: Simplify right side
    766,783.60x = 422,504,799,897.84
  5. Step 5: Solve for x
    x = 422,504,799,897.84/766,783.60
  6. Step 6: Final answer
    x = 551,009.18

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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.