Home / 808,619.60-1,213,075.20-335,352.80

Finding the Fourth Proportional to 808,619.60, 1,213,075.20 and 335,352.80

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Solution

The fourth proportional to 808,619.60, 1,213,075.20 and 335,352.80 is: 503,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,619.60 : 1,213,075.20 = 335,352.80 : x
  2. Step 2: Convert to fraction form
    808,619.60/1,213,075.20 = 335,352.80/x
  3. Step 3: Cross multiply
    808,619.60x = 1,213,075.20 × 335,352.80
  4. Step 4: Simplify right side
    808,619.60x = 406,808,164,930.56
  5. Step 5: Solve for x
    x = 406,808,164,930.56/808,619.60
  6. Step 6: Final answer
    x = 503,089.67

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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.