Home / 911,397.69-1,366,054.07-555,621.39

Finding the Fourth Proportional to 911,397.69, 1,366,054.07 and 555,621.39

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Solution

The fourth proportional to 911,397.69, 1,366,054.07 and 555,621.39 is: 832,796.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,397.69 : 1,366,054.07 = 555,621.39 : x
  2. Step 2: Convert to fraction form
    911,397.69/1,366,054.07 = 555,621.39/x
  3. Step 3: Cross multiply
    911,397.69x = 1,366,054.07 × 555,621.39
  4. Step 4: Simplify right side
    911,397.69x = 759,008,858,410.45
  5. Step 5: Solve for x
    x = 759,008,858,410.45/911,397.69
  6. Step 6: Final answer
    x = 832,796.56

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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.