Home / 490,695.48-735,741.77-190,826.46

Finding the Fourth Proportional to 490,695.48, 735,741.77 and 190,826.46

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Solution

The fourth proportional to 490,695.48, 735,741.77 and 190,826.46 is: 286,122.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,695.48 : 735,741.77 = 190,826.46 : x
  2. Step 2: Convert to fraction form
    490,695.48/735,741.77 = 190,826.46/x
  3. Step 3: Cross multiply
    490,695.48x = 735,741.77 × 190,826.46
  4. Step 4: Simplify right side
    490,695.48x = 140,398,995,224.88
  5. Step 5: Solve for x
    x = 140,398,995,224.88/490,695.48
  6. Step 6: Final answer
    x = 286,122.45

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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.