Home / 446,268.47-615,696.56-285,217.79

Finding the Fourth Proportional to 446,268.47, 615,696.56 and 285,217.79

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Solution

The fourth proportional to 446,268.47, 615,696.56 and 285,217.79 is: 393,502.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,268.47 : 615,696.56 = 285,217.79 : x
  2. Step 2: Convert to fraction form
    446,268.47/615,696.56 = 285,217.79/x
  3. Step 3: Cross multiply
    446,268.47x = 615,696.56 × 285,217.79
  4. Step 4: Simplify right side
    446,268.47x = 175,607,610,727.71
  5. Step 5: Solve for x
    x = 175,607,610,727.71/446,268.47
  6. Step 6: Final answer
    x = 393,502.17

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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.