Home / 814,482-1,221,898.47-245,815.50

Finding the Fourth Proportional to 814,482, 1,221,898.47 and 245,815.50

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Solution

The fourth proportional to 814,482, 1,221,898.47 and 245,815.50 is: 368,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,482 : 1,221,898.47 = 245,815.50 : x
  2. Step 2: Convert to fraction form
    814,482/1,221,898.47 = 245,815.50/x
  3. Step 3: Cross multiply
    814,482x = 1,221,898.47 × 245,815.50
  4. Step 4: Simplify right side
    814,482x = 300,361,583,352.29
  5. Step 5: Solve for x
    x = 300,361,583,352.29/814,482
  6. Step 6: Final answer
    x = 368,776.21

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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.