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Finding the Fourth Proportional to 594,313.64, 819,953.36 and 339,484.40

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Solution

The fourth proportional to 594,313.64, 819,953.36 and 339,484.40 is: 468,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,313.64 : 819,953.36 = 339,484.40 : x
  2. Step 2: Convert to fraction form
    594,313.64/819,953.36 = 339,484.40/x
  3. Step 3: Cross multiply
    594,313.64x = 819,953.36 × 339,484.40
  4. Step 4: Simplify right side
    594,313.64x = 278,361,374,447.58
  5. Step 5: Solve for x
    x = 278,361,374,447.58/594,313.64
  6. Step 6: Final answer
    x = 468,374.53

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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.