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Finding the Fourth Proportional to 652,634.20, 978,432.90 and 357,146.20

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Solution

The fourth proportional to 652,634.20, 978,432.90 and 357,146.20 is: 535,435.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,634.20 : 978,432.90 = 357,146.20 : x
  2. Step 2: Convert to fraction form
    652,634.20/978,432.90 = 357,146.20/x
  3. Step 3: Cross multiply
    652,634.20x = 978,432.90 × 357,146.20
  4. Step 4: Simplify right side
    652,634.20x = 349,443,592,189.98
  5. Step 5: Solve for x
    x = 349,443,592,189.98/652,634.20
  6. Step 6: Final answer
    x = 535,435.61

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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.