Home / 673,039.20-1,009,755.63-199,736.86

Finding the Fourth Proportional to 673,039.20, 1,009,755.63 and 199,736.86

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Solution

The fourth proportional to 673,039.20, 1,009,755.63 and 199,736.86 is: 299,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,039.20 : 1,009,755.63 = 199,736.86 : x
  2. Step 2: Convert to fraction form
    673,039.20/1,009,755.63 = 199,736.86/x
  3. Step 3: Cross multiply
    673,039.20x = 1,009,755.63 × 199,736.86
  4. Step 4: Simplify right side
    673,039.20x = 201,685,418,903.52
  5. Step 5: Solve for x
    x = 201,685,418,903.52/673,039.20
  6. Step 6: Final answer
    x = 299,663.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.