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Finding the Fourth Proportional to 798,494, 1,101,855.53 and 454,238.33

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Solution

The fourth proportional to 798,494, 1,101,855.53 and 454,238.33 is: 626,811.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,494 : 1,101,855.53 = 454,238.33 : x
  2. Step 2: Convert to fraction form
    798,494/1,101,855.53 = 454,238.33/x
  3. Step 3: Cross multiply
    798,494x = 1,101,855.53 × 454,238.33
  4. Step 4: Simplify right side
    798,494x = 500,505,013,577.27
  5. Step 5: Solve for x
    x = 500,505,013,577.27/798,494
  6. Step 6: Final answer
    x = 626,811.24

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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.