Home / 743,928.80-1,026,631.95-404,404.34

Finding the Fourth Proportional to 743,928.80, 1,026,631.95 and 404,404.34

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Solution

The fourth proportional to 743,928.80, 1,026,631.95 and 404,404.34 is: 558,083.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,928.80 : 1,026,631.95 = 404,404.34 : x
  2. Step 2: Convert to fraction form
    743,928.80/1,026,631.95 = 404,404.34/x
  3. Step 3: Cross multiply
    743,928.80x = 1,026,631.95 × 404,404.34
  4. Step 4: Simplify right side
    743,928.80x = 415,174,416,162.66
  5. Step 5: Solve for x
    x = 415,174,416,162.66/743,928.80
  6. Step 6: Final answer
    x = 558,083.54

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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.