Home / 872,826.22-1,204,394.37-485,550.10

Finding the Fourth Proportional to 872,826.22, 1,204,394.37 and 485,550.10

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Solution

The fourth proportional to 872,826.22, 1,204,394.37 and 485,550.10 is: 670,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,826.22 : 1,204,394.37 = 485,550.10 : x
  2. Step 2: Convert to fraction form
    872,826.22/1,204,394.37 = 485,550.10/x
  3. Step 3: Cross multiply
    872,826.22x = 1,204,394.37 × 485,550.10
  4. Step 4: Simplify right side
    872,826.22x = 584,793,799,702.90
  5. Step 5: Solve for x
    x = 584,793,799,702.90/872,826.22
  6. Step 6: Final answer
    x = 670,000.26

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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.