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Finding the Fourth Proportional to 608,736, 840,058.56 and 340,464

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Solution

The fourth proportional to 608,736, 840,058.56 and 340,464 is: 469,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,736 : 840,058.56 = 340,464 : x
  2. Step 2: Convert to fraction form
    608,736/840,058.56 = 340,464/x
  3. Step 3: Cross multiply
    608,736x = 840,058.56 × 340,464
  4. Step 4: Simplify right side
    608,736x = 286,009,697,571.84
  5. Step 5: Solve for x
    x = 286,009,697,571.84/608,736
  6. Step 6: Final answer
    x = 469,841.93

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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.