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Finding the Fourth Proportional to 683,374.56, 943,058.56 and 381,579.36

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Solution

The fourth proportional to 683,374.56, 943,058.56 and 381,579.36 is: 526,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,374.56 : 943,058.56 = 381,579.36 : x
  2. Step 2: Convert to fraction form
    683,374.56/943,058.56 = 381,579.36/x
  3. Step 3: Cross multiply
    683,374.56x = 943,058.56 × 381,579.36
  4. Step 4: Simplify right side
    683,374.56x = 359,851,681,767.32
  5. Step 5: Solve for x
    x = 359,851,681,767.32/683,374.56
  6. Step 6: Final answer
    x = 526,580.45

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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.