Home / 913,632.73-1,260,797.88-505,725.80

Finding the Fourth Proportional to 913,632.73, 1,260,797.88 and 505,725.80

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Solution

The fourth proportional to 913,632.73, 1,260,797.88 and 505,725.80 is: 697,893.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,632.73 : 1,260,797.88 = 505,725.80 : x
  2. Step 2: Convert to fraction form
    913,632.73/1,260,797.88 = 505,725.80/x
  3. Step 3: Cross multiply
    913,632.73x = 1,260,797.88 × 505,725.80
  4. Step 4: Simplify right side
    913,632.73x = 637,618,016,501.30
  5. Step 5: Solve for x
    x = 637,618,016,501.30/913,632.73
  6. Step 6: Final answer
    x = 697,893.14

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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.