Home / 949,079.73-1,309,729.90-519,359.74

Finding the Fourth Proportional to 949,079.73, 1,309,729.90 and 519,359.74

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Solution

The fourth proportional to 949,079.73, 1,309,729.90 and 519,359.74 is: 716,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,079.73 : 1,309,729.90 = 519,359.74 : x
  2. Step 2: Convert to fraction form
    949,079.73/1,309,729.90 = 519,359.74/x
  3. Step 3: Cross multiply
    949,079.73x = 1,309,729.90 × 519,359.74
  4. Step 4: Simplify right side
    949,079.73x = 680,220,980,334.23
  5. Step 5: Solve for x
    x = 680,220,980,334.23/949,079.73
  6. Step 6: Final answer
    x = 716,716.37

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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.