Home / 785,902.83-1,179,311.69-330,461.15

Finding the Fourth Proportional to 785,902.83, 1,179,311.69 and 330,461.15

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Solution

The fourth proportional to 785,902.83, 1,179,311.69 and 330,461.15 is: 495,884.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,902.83 : 1,179,311.69 = 330,461.15 : x
  2. Step 2: Convert to fraction form
    785,902.83/1,179,311.69 = 330,461.15/x
  3. Step 3: Cross multiply
    785,902.83x = 1,179,311.69 × 330,461.15
  4. Step 4: Simplify right side
    785,902.83x = 389,716,692,215.44
  5. Step 5: Solve for x
    x = 389,716,692,215.44/785,902.83
  6. Step 6: Final answer
    x = 495,884.07

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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.