Home / 783,251.60-1,175,266.20-309,952.40

Finding the Fourth Proportional to 783,251.60, 1,175,266.20 and 309,952.40

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Solution

The fourth proportional to 783,251.60, 1,175,266.20 and 309,952.40 is: 465,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,251.60 : 1,175,266.20 = 309,952.40 : x
  2. Step 2: Convert to fraction form
    783,251.60/1,175,266.20 = 309,952.40/x
  3. Step 3: Cross multiply
    783,251.60x = 1,175,266.20 × 309,952.40
  4. Step 4: Simplify right side
    783,251.60x = 364,276,579,328.88
  5. Step 5: Solve for x
    x = 364,276,579,328.88/783,251.60
  6. Step 6: Final answer
    x = 465,082.46

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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.