Home / 885,887.28-1,328,746.66-353,265.84

Finding the Fourth Proportional to 885,887.28, 1,328,746.66 and 353,265.84

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Solution

The fourth proportional to 885,887.28, 1,328,746.66 and 353,265.84 is: 529,865.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,887.28 : 1,328,746.66 = 353,265.84 : x
  2. Step 2: Convert to fraction form
    885,887.28/1,328,746.66 = 353,265.84/x
  3. Step 3: Cross multiply
    885,887.28x = 1,328,746.66 × 353,265.84
  4. Step 4: Simplify right side
    885,887.28x = 469,400,804,992.09
  5. Step 5: Solve for x
    x = 469,400,804,992.09/885,887.28
  6. Step 6: Final answer
    x = 529,865.16

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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.