Home / 913,581.92-1,260,710.89-505,684.55

Finding the Fourth Proportional to 913,581.92, 1,260,710.89 and 505,684.55

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Solution

The fourth proportional to 913,581.92, 1,260,710.89 and 505,684.55 is: 697,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,581.92 : 1,260,710.89 = 505,684.55 : x
  2. Step 2: Convert to fraction form
    913,581.92/1,260,710.89 = 505,684.55/x
  3. Step 3: Cross multiply
    913,581.92x = 1,260,710.89 × 505,684.55
  4. Step 4: Simplify right side
    913,581.92x = 637,522,012,786.20
  5. Step 5: Solve for x
    x = 637,522,012,786.20/913,581.92
  6. Step 6: Final answer
    x = 697,826.87

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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.