Home / 983,997.76-1,357,874.94-548,391.93

Finding the Fourth Proportional to 983,997.76, 1,357,874.94 and 548,391.93

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Solution

The fourth proportional to 983,997.76, 1,357,874.94 and 548,391.93 is: 756,757.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,997.76 : 1,357,874.94 = 548,391.93 : x
  2. Step 2: Convert to fraction form
    983,997.76/1,357,874.94 = 548,391.93/x
  3. Step 3: Cross multiply
    983,997.76x = 1,357,874.94 × 548,391.93
  4. Step 4: Simplify right side
    983,997.76x = 744,647,659,045.23
  5. Step 5: Solve for x
    x = 744,647,659,045.23/983,997.76
  6. Step 6: Final answer
    x = 756,757.47

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1.5x scale

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.