Home / 804,155.41-1,211,880.77-724,293.46

Finding the Fourth Proportional to 804,155.41, 1,211,880.77 and 724,293.46

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Solution

The fourth proportional to 804,155.41, 1,211,880.77 and 724,293.46 is: 1,091,526.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,155.41 : 1,211,880.77 = 724,293.46 : x
  2. Step 2: Convert to fraction form
    804,155.41/1,211,880.77 = 724,293.46/x
  3. Step 3: Cross multiply
    804,155.41x = 1,211,880.77 × 724,293.46
  4. Step 4: Simplify right side
    804,155.41x = 877,757,320,694.40
  5. Step 5: Solve for x
    x = 877,757,320,694.40/804,155.41
  6. Step 6: Final answer
    x = 1,091,526.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.