Home / 872,845.08-1,204,573.86-490,894.44

Finding the Fourth Proportional to 872,845.08, 1,204,573.86 and 490,894.44

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Solution

The fourth proportional to 872,845.08, 1,204,573.86 and 490,894.44 is: 677,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,845.08 : 1,204,573.86 = 490,894.44 : x
  2. Step 2: Convert to fraction form
    872,845.08/1,204,573.86 = 490,894.44/x
  3. Step 3: Cross multiply
    872,845.08x = 1,204,573.86 × 490,894.44
  4. Step 4: Simplify right side
    872,845.08x = 591,318,610,443.34
  5. Step 5: Solve for x
    x = 591,318,610,443.34/872,845.08
  6. Step 6: Final answer
    x = 677,461.13

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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.