Home / 810,948.60-1,216,048.44-298,485

Finding the Fourth Proportional to 810,948.60, 1,216,048.44 and 298,485

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Solution

The fourth proportional to 810,948.60, 1,216,048.44 and 298,485 is: 447,589.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,948.60 : 1,216,048.44 = 298,485 : x
  2. Step 2: Convert to fraction form
    810,948.60/1,216,048.44 = 298,485/x
  3. Step 3: Cross multiply
    810,948.60x = 1,216,048.44 × 298,485
  4. Step 4: Simplify right side
    810,948.60x = 362,972,218,613.40
  5. Step 5: Solve for x
    x = 362,972,218,613.40/810,948.60
  6. Step 6: Final answer
    x = 447,589.67

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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.