Home / 809,137.92-1,213,331.40-472,275.57

Finding the Fourth Proportional to 809,137.92, 1,213,331.40 and 472,275.57

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Solution

The fourth proportional to 809,137.92, 1,213,331.40 and 472,275.57 is: 708,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,137.92 : 1,213,331.40 = 472,275.57 : x
  2. Step 2: Convert to fraction form
    809,137.92/1,213,331.40 = 472,275.57/x
  3. Step 3: Cross multiply
    809,137.92x = 1,213,331.40 × 472,275.57
  4. Step 4: Simplify right side
    809,137.92x = 573,026,778,533.90
  5. Step 5: Solve for x
    x = 573,026,778,533.90/809,137.92
  6. Step 6: Final answer
    x = 708,194.20

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1.5x scale

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.