Home / 790,160.82-1,090,471.36-446,055.05

Finding the Fourth Proportional to 790,160.82, 1,090,471.36 and 446,055.05

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Solution

The fourth proportional to 790,160.82, 1,090,471.36 and 446,055.05 is: 615,583.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,160.82 : 1,090,471.36 = 446,055.05 : x
  2. Step 2: Convert to fraction form
    790,160.82/1,090,471.36 = 446,055.05/x
  3. Step 3: Cross multiply
    790,160.82x = 1,090,471.36 × 446,055.05
  4. Step 4: Simplify right side
    790,160.82x = 486,410,259,455.76
  5. Step 5: Solve for x
    x = 486,410,259,455.76/790,160.82
  6. Step 6: Final answer
    x = 615,583.87

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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.