Home / 813,288.21-1,218,810.33-586,844.34

Finding the Fourth Proportional to 813,288.21, 1,218,810.33 and 586,844.34

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Solution

The fourth proportional to 813,288.21, 1,218,810.33 and 586,844.34 is: 879,456.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,288.21 : 1,218,810.33 = 586,844.34 : x
  2. Step 2: Convert to fraction form
    813,288.21/1,218,810.33 = 586,844.34/x
  3. Step 3: Cross multiply
    813,288.21x = 1,218,810.33 × 586,844.34
  4. Step 4: Simplify right side
    813,288.21x = 715,251,943,694.03
  5. Step 5: Solve for x
    x = 715,251,943,694.03/813,288.21
  6. Step 6: Final answer
    x = 879,456.92

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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.