Home / 949,238.40-1,309,941.26-519,517.54

Finding the Fourth Proportional to 949,238.40, 1,309,941.26 and 519,517.54

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Solution

The fourth proportional to 949,238.40, 1,309,941.26 and 519,517.54 is: 716,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,238.40 : 1,309,941.26 = 519,517.54 : x
  2. Step 2: Convert to fraction form
    949,238.40/1,309,941.26 = 519,517.54/x
  3. Step 3: Cross multiply
    949,238.40x = 1,309,941.26 × 519,517.54
  4. Step 4: Simplify right side
    949,238.40x = 680,537,454,389.99
  5. Step 5: Solve for x
    x = 680,537,454,389.99/949,238.40
  6. Step 6: Final answer
    x = 716,929.97

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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.