Home / 947,380.26-1,308,257.64-608,439

Finding the Fourth Proportional to 947,380.26, 1,308,257.64 and 608,439

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Solution

The fourth proportional to 947,380.26, 1,308,257.64 and 608,439 is: 840,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,380.26 : 1,308,257.64 = 608,439 : x
  2. Step 2: Convert to fraction form
    947,380.26/1,308,257.64 = 608,439/x
  3. Step 3: Cross multiply
    947,380.26x = 1,308,257.64 × 608,439
  4. Step 4: Simplify right side
    947,380.26x = 795,994,970,223.96
  5. Step 5: Solve for x
    x = 795,994,970,223.96/947,380.26
  6. Step 6: Final answer
    x = 840,206.41

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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.