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Finding the Fourth Proportional to 575,804.63, 863,675.78 and 176,446.55

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Solution

The fourth proportional to 575,804.63, 863,675.78 and 176,446.55 is: 264,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,804.63 : 863,675.78 = 176,446.55 : x
  2. Step 2: Convert to fraction form
    575,804.63/863,675.78 = 176,446.55/x
  3. Step 3: Cross multiply
    575,804.63x = 863,675.78 × 176,446.55
  4. Step 4: Simplify right side
    575,804.63x = 152,392,614,299.87
  5. Step 5: Solve for x
    x = 152,392,614,299.87/575,804.63
  6. Step 6: Final answer
    x = 264,660.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.