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Finding the Fourth Proportional to 652,108.40, 978,648.60 and 336,402.80

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Solution

The fourth proportional to 652,108.40, 978,648.60 and 336,402.80 is: 504,854.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,108.40 : 978,648.60 = 336,402.80 : x
  2. Step 2: Convert to fraction form
    652,108.40/978,648.60 = 336,402.80/x
  3. Step 3: Cross multiply
    652,108.40x = 978,648.60 × 336,402.80
  4. Step 4: Simplify right side
    652,108.40x = 329,220,129,256.08
  5. Step 5: Solve for x
    x = 329,220,129,256.08/652,108.40
  6. Step 6: Final answer
    x = 504,854.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.