Home / 774,570.90-1,161,857.23-242,094.74

Finding the Fourth Proportional to 774,570.90, 1,161,857.23 and 242,094.74

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Solution

The fourth proportional to 774,570.90, 1,161,857.23 and 242,094.74 is: 363,142.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,570.90 : 1,161,857.23 = 242,094.74 : x
  2. Step 2: Convert to fraction form
    774,570.90/1,161,857.23 = 242,094.74/x
  3. Step 3: Cross multiply
    774,570.90x = 1,161,857.23 × 242,094.74
  4. Step 4: Simplify right side
    774,570.90x = 281,279,524,013.97
  5. Step 5: Solve for x
    x = 281,279,524,013.97/774,570.90
  6. Step 6: Final answer
    x = 363,142.39

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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.