Home / 798,130.36-1,101,455.72-449,390.77

Finding the Fourth Proportional to 798,130.36, 1,101,455.72 and 449,390.77

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Solution

The fourth proportional to 798,130.36, 1,101,455.72 and 449,390.77 is: 620,179.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,130.36 : 1,101,455.72 = 449,390.77 : x
  2. Step 2: Convert to fraction form
    798,130.36/1,101,455.72 = 449,390.77/x
  3. Step 3: Cross multiply
    798,130.36x = 1,101,455.72 × 449,390.77
  4. Step 4: Simplify right side
    798,130.36x = 494,984,034,131.70
  5. Step 5: Solve for x
    x = 494,984,034,131.70/798,130.36
  6. Step 6: Final answer
    x = 620,179.43

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Double scale
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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.