Home / 843,804.72-1,164,446.28-456,619.86

Finding the Fourth Proportional to 843,804.72, 1,164,446.28 and 456,619.86

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Solution

The fourth proportional to 843,804.72, 1,164,446.28 and 456,619.86 is: 630,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,804.72 : 1,164,446.28 = 456,619.86 : x
  2. Step 2: Convert to fraction form
    843,804.72/1,164,446.28 = 456,619.86/x
  3. Step 3: Cross multiply
    843,804.72x = 1,164,446.28 × 456,619.86
  4. Step 4: Simplify right side
    843,804.72x = 531,709,297,351.12
  5. Step 5: Solve for x
    x = 531,709,297,351.12/843,804.72
  6. Step 6: Final answer
    x = 630,133.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.