Home / 743,835.50-1,026,489.15-404,305.58

Finding the Fourth Proportional to 743,835.50, 1,026,489.15 and 404,305.58

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Solution

The fourth proportional to 743,835.50, 1,026,489.15 and 404,305.58 is: 557,939.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,835.50 : 1,026,489.15 = 404,305.58 : x
  2. Step 2: Convert to fraction form
    743,835.50/1,026,489.15 = 404,305.58/x
  3. Step 3: Cross multiply
    743,835.50x = 1,026,489.15 × 404,305.58
  4. Step 4: Simplify right side
    743,835.50x = 415,015,291,154.46
  5. Step 5: Solve for x
    x = 415,015,291,154.46/743,835.50
  6. Step 6: Final answer
    x = 557,939.61

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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.