Home / 759,449.82-1,139,347.53-404,276.70

Finding the Fourth Proportional to 759,449.82, 1,139,347.53 and 404,276.70

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Solution

The fourth proportional to 759,449.82, 1,139,347.53 and 404,276.70 is: 606,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,449.82 : 1,139,347.53 = 404,276.70 : x
  2. Step 2: Convert to fraction form
    759,449.82/1,139,347.53 = 404,276.70/x
  3. Step 3: Cross multiply
    759,449.82x = 1,139,347.53 × 404,276.70
  4. Step 4: Simplify right side
    759,449.82x = 460,611,659,581.55
  5. Step 5: Solve for x
    x = 460,611,659,581.55/759,449.82
  6. Step 6: Final answer
    x = 606,507.04

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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.