Home / 758,460.36-1,138,022.46-359,385.96

Finding the Fourth Proportional to 758,460.36, 1,138,022.46 and 359,385.96

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Solution

The fourth proportional to 758,460.36, 1,138,022.46 and 359,385.96 is: 539,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,460.36 : 1,138,022.46 = 359,385.96 : x
  2. Step 2: Convert to fraction form
    758,460.36/1,138,022.46 = 359,385.96/x
  3. Step 3: Cross multiply
    758,460.36x = 1,138,022.46 × 359,385.96
  4. Step 4: Simplify right side
    758,460.36x = 408,989,294,288.66
  5. Step 5: Solve for x
    x = 408,989,294,288.66/758,460.36
  6. Step 6: Final answer
    x = 539,236.22

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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.