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Finding the Fourth Proportional to 550,577.52, 759,854.52 and 308,925.36

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Solution

The fourth proportional to 550,577.52, 759,854.52 and 308,925.36 is: 426,349.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,577.52 : 759,854.52 = 308,925.36 : x
  2. Step 2: Convert to fraction form
    550,577.52/759,854.52 = 308,925.36/x
  3. Step 3: Cross multiply
    550,577.52x = 759,854.52 × 308,925.36
  4. Step 4: Simplify right side
    550,577.52x = 234,738,331,138.63
  5. Step 5: Solve for x
    x = 234,738,331,138.63/550,577.52
  6. Step 6: Final answer
    x = 426,349.28

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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.