Home / 743,188.77-1,025,594.87-403,659.45

Finding the Fourth Proportional to 743,188.77, 1,025,594.87 and 403,659.45

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Solution

The fourth proportional to 743,188.77, 1,025,594.87 and 403,659.45 is: 557,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,188.77 : 1,025,594.87 = 403,659.45 : x
  2. Step 2: Convert to fraction form
    743,188.77/1,025,594.87 = 403,659.45/x
  3. Step 3: Cross multiply
    743,188.77x = 1,025,594.87 × 403,659.45
  4. Step 4: Simplify right side
    743,188.77x = 413,991,059,128.72
  5. Step 5: Solve for x
    x = 413,991,059,128.72/743,188.77
  6. Step 6: Final answer
    x = 557,046.98

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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.