Home / 841,274.64-1,259,900.22-485,209.17

Finding the Fourth Proportional to 841,274.64, 1,259,900.22 and 485,209.17

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Solution

The fourth proportional to 841,274.64, 1,259,900.22 and 485,209.17 is: 726,653.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,274.64 : 1,259,900.22 = 485,209.17 : x
  2. Step 2: Convert to fraction form
    841,274.64/1,259,900.22 = 485,209.17/x
  3. Step 3: Cross multiply
    841,274.64x = 1,259,900.22 × 485,209.17
  4. Step 4: Simplify right side
    841,274.64x = 611,315,140,029.02
  5. Step 5: Solve for x
    x = 611,315,140,029.02/841,274.64
  6. Step 6: Final answer
    x = 726,653.47

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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.