Home / 867,736.36-1,197,467.04-485,766.28

Finding the Fourth Proportional to 867,736.36, 1,197,467.04 and 485,766.28

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Solution

The fourth proportional to 867,736.36, 1,197,467.04 and 485,766.28 is: 670,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,736.36 : 1,197,467.04 = 485,766.28 : x
  2. Step 2: Convert to fraction form
    867,736.36/1,197,467.04 = 485,766.28/x
  3. Step 3: Cross multiply
    867,736.36x = 1,197,467.04 × 485,766.28
  4. Step 4: Simplify right side
    867,736.36x = 581,689,109,443.41
  5. Step 5: Solve for x
    x = 581,689,109,443.41/867,736.36
  6. Step 6: Final answer
    x = 670,352.35

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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.