Home / 771,320.36-1,157,418-416,326.52

Finding the Fourth Proportional to 771,320.36, 1,157,418 and 416,326.52

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Solution

The fourth proportional to 771,320.36, 1,157,418 and 416,326.52 is: 624,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,320.36 : 1,157,418 = 416,326.52 : x
  2. Step 2: Convert to fraction form
    771,320.36/1,157,418 = 416,326.52/x
  3. Step 3: Cross multiply
    771,320.36x = 1,157,418 × 416,326.52
  4. Step 4: Simplify right side
    771,320.36x = 481,863,802,338.27
  5. Step 5: Solve for x
    x = 481,863,802,338.27/771,320.36
  6. Step 6: Final answer
    x = 624,725.90

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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.