Home / 884,155.17-1,326,491.55-285,104.28

Finding the Fourth Proportional to 884,155.17, 1,326,491.55 and 285,104.28

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Solution

The fourth proportional to 884,155.17, 1,326,491.55 and 285,104.28 is: 427,739.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,155.17 : 1,326,491.55 = 285,104.28 : x
  2. Step 2: Convert to fraction form
    884,155.17/1,326,491.55 = 285,104.28/x
  3. Step 3: Cross multiply
    884,155.17x = 1,326,491.55 × 285,104.28
  4. Step 4: Simplify right side
    884,155.17x = 378,188,418,288.83
  5. Step 5: Solve for x
    x = 378,188,418,288.83/884,155.17
  6. Step 6: Final answer
    x = 427,739.87

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1.5x scale

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.