Home / 859,563.56-1,289,602.92-346,964.80

Finding the Fourth Proportional to 859,563.56, 1,289,602.92 and 346,964.80

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Solution

The fourth proportional to 859,563.56, 1,289,602.92 and 346,964.80 is: 520,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,563.56 : 1,289,602.92 = 346,964.80 : x
  2. Step 2: Convert to fraction form
    859,563.56/1,289,602.92 = 346,964.80/x
  3. Step 3: Cross multiply
    859,563.56x = 1,289,602.92 × 346,964.80
  4. Step 4: Simplify right side
    859,563.56x = 447,446,819,217.22
  5. Step 5: Solve for x
    x = 447,446,819,217.22/859,563.56
  6. Step 6: Final answer
    x = 520,551.17

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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.