Home / 779,964.57-1,169,199.39-330,066.39

Finding the Fourth Proportional to 779,964.57, 1,169,199.39 and 330,066.39

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Solution

The fourth proportional to 779,964.57, 1,169,199.39 and 330,066.39 is: 494,783.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,964.57 : 1,169,199.39 = 330,066.39 : x
  2. Step 2: Convert to fraction form
    779,964.57/1,169,199.39 = 330,066.39/x
  3. Step 3: Cross multiply
    779,964.57x = 1,169,199.39 × 330,066.39
  4. Step 4: Simplify right side
    779,964.57x = 385,913,421,847.50
  5. Step 5: Solve for x
    x = 385,913,421,847.50/779,964.57
  6. Step 6: Final answer
    x = 494,783.27

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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.