Home / 743,190.77-1,025,597.62-403,661.45

Finding the Fourth Proportional to 743,190.77, 1,025,597.62 and 403,661.45

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Solution

The fourth proportional to 743,190.77, 1,025,597.62 and 403,661.45 is: 557,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,190.77 : 1,025,597.62 = 403,661.45 : x
  2. Step 2: Convert to fraction form
    743,190.77/1,025,597.62 = 403,661.45/x
  3. Step 3: Cross multiply
    743,190.77x = 1,025,597.62 × 403,661.45
  4. Step 4: Simplify right side
    743,190.77x = 413,994,222,405.75
  5. Step 5: Solve for x
    x = 413,994,222,405.75/743,190.77
  6. Step 6: Final answer
    x = 557,049.74

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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.