Home / 873,705.78-1,310,559.21-242,619.66

Finding the Fourth Proportional to 873,705.78, 1,310,559.21 and 242,619.66

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Solution

The fourth proportional to 873,705.78, 1,310,559.21 and 242,619.66 is: 363,929.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,705.78 : 1,310,559.21 = 242,619.66 : x
  2. Step 2: Convert to fraction form
    873,705.78/1,310,559.21 = 242,619.66/x
  3. Step 3: Cross multiply
    873,705.78x = 1,310,559.21 × 242,619.66
  4. Step 4: Simplify right side
    873,705.78x = 317,967,429,940.07
  5. Step 5: Solve for x
    x = 317,967,429,940.07/873,705.78
  6. Step 6: Final answer
    x = 363,929.64

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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.