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Finding the Fourth Proportional to 604,221.54, 833,830.98 and 328,580.34

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Solution

The fourth proportional to 604,221.54, 833,830.98 and 328,580.34 is: 453,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,221.54 : 833,830.98 = 328,580.34 : x
  2. Step 2: Convert to fraction form
    604,221.54/833,830.98 = 328,580.34/x
  3. Step 3: Cross multiply
    604,221.54x = 833,830.98 × 328,580.34
  4. Step 4: Simplify right side
    604,221.54x = 273,980,466,910.93
  5. Step 5: Solve for x
    x = 273,980,466,910.93/604,221.54
  6. Step 6: Final answer
    x = 453,443.73

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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.