Home / 718,872.01-1,077,739.85-358,858.09

Finding the Fourth Proportional to 718,872.01, 1,077,739.85 and 358,858.09

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Solution

The fourth proportional to 718,872.01, 1,077,739.85 and 358,858.09 is: 538,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,872.01 : 1,077,739.85 = 358,858.09 : x
  2. Step 2: Convert to fraction form
    718,872.01/1,077,739.85 = 358,858.09/x
  3. Step 3: Cross multiply
    718,872.01x = 1,077,739.85 × 358,858.09
  4. Step 4: Simplify right side
    718,872.01x = 386,755,664,087.89
  5. Step 5: Solve for x
    x = 386,755,664,087.89/718,872.01
  6. Step 6: Final answer
    x = 538,003.51

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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.