Home / 949,090.06-1,309,742.40-519,370.12

Finding the Fourth Proportional to 949,090.06, 1,309,742.40 and 519,370.12

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Solution

The fourth proportional to 949,090.06, 1,309,742.40 and 519,370.12 is: 716,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,090.06 : 1,309,742.40 = 519,370.12 : x
  2. Step 2: Convert to fraction form
    949,090.06/1,309,742.40 = 519,370.12/x
  3. Step 3: Cross multiply
    949,090.06x = 1,309,742.40 × 519,370.12
  4. Step 4: Simplify right side
    949,090.06x = 680,241,067,457.09
  5. Step 5: Solve for x
    x = 680,241,067,457.09/949,090.06
  6. Step 6: Final answer
    x = 716,729.74

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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.