Home / 899,957.28-1,242,067.89-551,305.74

Finding the Fourth Proportional to 899,957.28, 1,242,067.89 and 551,305.74

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Solution

The fourth proportional to 899,957.28, 1,242,067.89 and 551,305.74 is: 760,879.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,957.28 : 1,242,067.89 = 551,305.74 : x
  2. Step 2: Convert to fraction form
    899,957.28/1,242,067.89 = 551,305.74/x
  3. Step 3: Cross multiply
    899,957.28x = 1,242,067.89 × 551,305.74
  4. Step 4: Simplify right side
    899,957.28x = 684,759,157,226.69
  5. Step 5: Solve for x
    x = 684,759,157,226.69/899,957.28
  6. Step 6: Final answer
    x = 760,879.62

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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.