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Finding the Fourth Proportional to 550,597.63, 759,829.91 and 308,885.39

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Solution

The fourth proportional to 550,597.63, 759,829.91 and 308,885.39 is: 426,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,597.63 : 759,829.91 = 308,885.39 : x
  2. Step 2: Convert to fraction form
    550,597.63/759,829.91 = 308,885.39/x
  3. Step 3: Cross multiply
    550,597.63x = 759,829.91 × 308,885.39
  4. Step 4: Simplify right side
    550,597.63x = 234,700,360,625.15
  5. Step 5: Solve for x
    x = 234,700,360,625.15/550,597.63
  6. Step 6: Final answer
    x = 426,264.75

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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.