Home / 841,908.72-1,262,873.88-280,943.22

Finding the Fourth Proportional to 841,908.72, 1,262,873.88 and 280,943.22

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Solution

The fourth proportional to 841,908.72, 1,262,873.88 and 280,943.22 is: 421,418.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,908.72 : 1,262,873.88 = 280,943.22 : x
  2. Step 2: Convert to fraction form
    841,908.72/1,262,873.88 = 280,943.22/x
  3. Step 3: Cross multiply
    841,908.72x = 1,262,873.88 × 280,943.22
  4. Step 4: Simplify right side
    841,908.72x = 354,795,854,301.09
  5. Step 5: Solve for x
    x = 354,795,854,301.09/841,908.72
  6. Step 6: Final answer
    x = 421,418.43

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1.5x scale

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.