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Finding the Fourth Proportional to 614,844, 848,484.72 and 332,220

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Solution

The fourth proportional to 614,844, 848,484.72 and 332,220 is: 458,463.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,844 : 848,484.72 = 332,220 : x
  2. Step 2: Convert to fraction form
    614,844/848,484.72 = 332,220/x
  3. Step 3: Cross multiply
    614,844x = 848,484.72 × 332,220
  4. Step 4: Simplify right side
    614,844x = 281,883,593,678.40
  5. Step 5: Solve for x
    x = 281,883,593,678.40/614,844
  6. Step 6: Final answer
    x = 458,463.60

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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.