Home / 766,621.30-1,149,931.95-367,056.40

Finding the Fourth Proportional to 766,621.30, 1,149,931.95 and 367,056.40

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Solution

The fourth proportional to 766,621.30, 1,149,931.95 and 367,056.40 is: 550,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,621.30 : 1,149,931.95 = 367,056.40 : x
  2. Step 2: Convert to fraction form
    766,621.30/1,149,931.95 = 367,056.40/x
  3. Step 3: Cross multiply
    766,621.30x = 1,149,931.95 × 367,056.40
  4. Step 4: Simplify right side
    766,621.30x = 422,089,881,811.98
  5. Step 5: Solve for x
    x = 422,089,881,811.98/766,621.30
  6. Step 6: Final answer
    x = 550,584.60

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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.