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Finding the Fourth Proportional to 594,337.68, 819,986.44 and 339,508.40

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Solution

The fourth proportional to 594,337.68, 819,986.44 and 339,508.40 is: 468,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,337.68 : 819,986.44 = 339,508.40 : x
  2. Step 2: Convert to fraction form
    594,337.68/819,986.44 = 339,508.40/x
  3. Step 3: Cross multiply
    594,337.68x = 819,986.44 × 339,508.40
  4. Step 4: Simplify right side
    594,337.68x = 278,392,284,266.10
  5. Step 5: Solve for x
    x = 278,392,284,266.10/594,337.68
  6. Step 6: Final answer
    x = 468,407.60

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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.