Home / 774,771.55-1,162,178.08-242,292.57

Finding the Fourth Proportional to 774,771.55, 1,162,178.08 and 242,292.57

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Solution

The fourth proportional to 774,771.55, 1,162,178.08 and 242,292.57 is: 363,445.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,771.55 : 1,162,178.08 = 242,292.57 : x
  2. Step 2: Convert to fraction form
    774,771.55/1,162,178.08 = 242,292.57/x
  3. Step 3: Cross multiply
    774,771.55x = 1,162,178.08 × 242,292.57
  4. Step 4: Simplify right side
    774,771.55x = 281,587,108,836.97
  5. Step 5: Solve for x
    x = 281,587,108,836.97/774,771.55
  6. Step 6: Final answer
    x = 363,445.34

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1.5x scale

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.