Home / 648,378.60-972,107.10-293,562.60

Finding the Fourth Proportional to 648,378.60, 972,107.10 and 293,562.60

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Solution

The fourth proportional to 648,378.60, 972,107.10 and 293,562.60 is: 440,135.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,378.60 : 972,107.10 = 293,562.60 : x
  2. Step 2: Convert to fraction form
    648,378.60/972,107.10 = 293,562.60/x
  3. Step 3: Cross multiply
    648,378.60x = 972,107.10 × 293,562.60
  4. Step 4: Simplify right side
    648,378.60x = 285,374,287,754.46
  5. Step 5: Solve for x
    x = 285,374,287,754.46/648,378.60
  6. Step 6: Final answer
    x = 440,135.27

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Why These Related Problems?

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