Home / 743,997.42-1,026,650.70-412,861.86

Finding the Fourth Proportional to 743,997.42, 1,026,650.70 and 412,861.86

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Solution

The fourth proportional to 743,997.42, 1,026,650.70 and 412,861.86 is: 569,712.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,997.42 : 1,026,650.70 = 412,861.86 : x
  2. Step 2: Convert to fraction form
    743,997.42/1,026,650.70 = 412,861.86/x
  3. Step 3: Cross multiply
    743,997.42x = 1,026,650.70 × 412,861.86
  4. Step 4: Simplify right side
    743,997.42x = 423,864,917,572.30
  5. Step 5: Solve for x
    x = 423,864,917,572.30/743,997.42
  6. Step 6: Final answer
    x = 569,712.89

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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.