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Finding the Fourth Proportional to 575,546.79, 794,756.03 and 361,055.55

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Solution

The fourth proportional to 575,546.79, 794,756.03 and 361,055.55 is: 498,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,546.79 : 794,756.03 = 361,055.55 : x
  2. Step 2: Convert to fraction form
    575,546.79/794,756.03 = 361,055.55/x
  3. Step 3: Cross multiply
    575,546.79x = 794,756.03 × 361,055.55
  4. Step 4: Simplify right side
    575,546.79x = 286,951,073,722.19
  5. Step 5: Solve for x
    x = 286,951,073,722.19/575,546.79
  6. Step 6: Final answer
    x = 498,571.23

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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.