Home / 950,419.30-1,311,580.29-520,690.18

Finding the Fourth Proportional to 950,419.30, 1,311,580.29 and 520,690.18

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Solution

The fourth proportional to 950,419.30, 1,311,580.29 and 520,690.18 is: 718,553.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,419.30 : 1,311,580.29 = 520,690.18 : x
  2. Step 2: Convert to fraction form
    950,419.30/1,311,580.29 = 520,690.18/x
  3. Step 3: Cross multiply
    950,419.30x = 1,311,580.29 × 520,690.18
  4. Step 4: Simplify right side
    950,419.30x = 682,926,977,284.55
  5. Step 5: Solve for x
    x = 682,926,977,284.55/950,419.30
  6. Step 6: Final answer
    x = 718,553.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.