Home / 846,815.47-1,269,955.61-278,102.86

Finding the Fourth Proportional to 846,815.47, 1,269,955.61 and 278,102.86

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Solution

The fourth proportional to 846,815.47, 1,269,955.61 and 278,102.86 is: 417,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,815.47 : 1,269,955.61 = 278,102.86 : x
  2. Step 2: Convert to fraction form
    846,815.47/1,269,955.61 = 278,102.86/x
  3. Step 3: Cross multiply
    846,815.47x = 1,269,955.61 × 278,102.86
  4. Step 4: Simplify right side
    846,815.47x = 353,178,287,214.05
  5. Step 5: Solve for x
    x = 353,178,287,214.05/846,815.47
  6. Step 6: Final answer
    x = 417,066.41

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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.