Home / 380,995.14-571,587.74-268,894.32

Finding the Fourth Proportional to 380,995.14, 571,587.74 and 268,894.32

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Solution

The fourth proportional to 380,995.14, 571,587.74 and 268,894.32 is: 403,408.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,995.14 : 571,587.74 = 268,894.32 : x
  2. Step 2: Convert to fraction form
    380,995.14/571,587.74 = 268,894.32/x
  3. Step 3: Cross multiply
    380,995.14x = 571,587.74 × 268,894.32
  4. Step 4: Simplify right side
    380,995.14x = 153,696,696,667.64
  5. Step 5: Solve for x
    x = 153,696,696,667.64/380,995.14
  6. Step 6: Final answer
    x = 403,408.55

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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.