Home / 694,392.49-957,875.81-403,971.43

Finding the Fourth Proportional to 694,392.49, 957,875.81 and 403,971.43

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Solution

The fourth proportional to 694,392.49, 957,875.81 and 403,971.43 is: 557,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,392.49 : 957,875.81 = 403,971.43 : x
  2. Step 2: Convert to fraction form
    694,392.49/957,875.81 = 403,971.43/x
  3. Step 3: Cross multiply
    694,392.49x = 957,875.81 × 403,971.43
  4. Step 4: Simplify right side
    694,392.49x = 386,954,460,728.11
  5. Step 5: Solve for x
    x = 386,954,460,728.11/694,392.49
  6. Step 6: Final answer
    x = 557,256.11

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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.