Home / 743,934.51-1,026,639.86-404,410.05

Finding the Fourth Proportional to 743,934.51, 1,026,639.86 and 404,410.05

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Solution

The fourth proportional to 743,934.51, 1,026,639.86 and 404,410.05 is: 558,091.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,934.51 : 1,026,639.86 = 404,410.05 : x
  2. Step 2: Convert to fraction form
    743,934.51/1,026,639.86 = 404,410.05/x
  3. Step 3: Cross multiply
    743,934.51x = 1,026,639.86 × 404,410.05
  4. Step 4: Simplify right side
    743,934.51x = 415,183,475,092.54
  5. Step 5: Solve for x
    x = 415,183,475,092.54/743,934.51
  6. Step 6: Final answer
    x = 558,091.43

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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.