Home / 875,198.21-1,312,797.54-276,206.24

Finding the Fourth Proportional to 875,198.21, 1,312,797.54 and 276,206.24

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Solution

The fourth proportional to 875,198.21, 1,312,797.54 and 276,206.24 is: 414,309.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,198.21 : 1,312,797.54 = 276,206.24 : x
  2. Step 2: Convert to fraction form
    875,198.21/1,312,797.54 = 276,206.24/x
  3. Step 3: Cross multiply
    875,198.21x = 1,312,797.54 × 276,206.24
  4. Step 4: Simplify right side
    875,198.21x = 362,602,875,686.64
  5. Step 5: Solve for x
    x = 362,602,875,686.64/875,198.21
  6. Step 6: Final answer
    x = 414,309.44

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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.