Home / 852,146.93-1,278,125.97-305,017.49

Finding the Fourth Proportional to 852,146.93, 1,278,125.97 and 305,017.49

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Solution

The fourth proportional to 852,146.93, 1,278,125.97 and 305,017.49 is: 457,492.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,146.93 : 1,278,125.97 = 305,017.49 : x
  2. Step 2: Convert to fraction form
    852,146.93/1,278,125.97 = 305,017.49/x
  3. Step 3: Cross multiply
    852,146.93x = 1,278,125.97 × 305,017.49
  4. Step 4: Simplify right side
    852,146.93x = 389,850,775,654.49
  5. Step 5: Solve for x
    x = 389,850,775,654.49/852,146.93
  6. Step 6: Final answer
    x = 457,492.44

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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.