Home / 913,579.39-1,260,707.94-505,699.03

Finding the Fourth Proportional to 913,579.39, 1,260,707.94 and 505,699.03

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Solution

The fourth proportional to 913,579.39, 1,260,707.94 and 505,699.03 is: 697,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,579.39 : 1,260,707.94 = 505,699.03 : x
  2. Step 2: Convert to fraction form
    913,579.39/1,260,707.94 = 505,699.03/x
  3. Step 3: Cross multiply
    913,579.39x = 1,260,707.94 × 505,699.03
  4. Step 4: Simplify right side
    913,579.39x = 637,538,782,371.30
  5. Step 5: Solve for x
    x = 637,538,782,371.30/913,579.39
  6. Step 6: Final answer
    x = 697,847.16

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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.