Home / 798,690.21-1,102,237.31-436,147.77

Finding the Fourth Proportional to 798,690.21, 1,102,237.31 and 436,147.77

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Solution

The fourth proportional to 798,690.21, 1,102,237.31 and 436,147.77 is: 601,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,690.21 : 1,102,237.31 = 436,147.77 : x
  2. Step 2: Convert to fraction form
    798,690.21/1,102,237.31 = 436,147.77/x
  3. Step 3: Cross multiply
    798,690.21x = 1,102,237.31 × 436,147.77
  4. Step 4: Simplify right side
    798,690.21x = 480,738,344,767.30
  5. Step 5: Solve for x
    x = 480,738,344,767.30/798,690.21
  6. Step 6: Final answer
    x = 601,908.40

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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.