Home / 803,722.60-1,203,907.20-377,622.10

Finding the Fourth Proportional to 803,722.60, 1,203,907.20 and 377,622.10

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Solution

The fourth proportional to 803,722.60, 1,203,907.20 and 377,622.10 is: 565,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,722.60 : 1,203,907.20 = 377,622.10 : x
  2. Step 2: Convert to fraction form
    803,722.60/1,203,907.20 = 377,622.10/x
  3. Step 3: Cross multiply
    803,722.60x = 1,203,907.20 × 377,622.10
  4. Step 4: Simplify right side
    803,722.60x = 454,621,965,069.12
  5. Step 5: Solve for x
    x = 454,621,965,069.12/803,722.60
  6. Step 6: Final answer
    x = 565,645.37

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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.