Home / 823,975.04-1,235,651.52-380,432

Finding the Fourth Proportional to 823,975.04, 1,235,651.52 and 380,432

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Solution

The fourth proportional to 823,975.04, 1,235,651.52 and 380,432 is: 570,504.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,975.04 : 1,235,651.52 = 380,432 : x
  2. Step 2: Convert to fraction form
    823,975.04/1,235,651.52 = 380,432/x
  3. Step 3: Cross multiply
    823,975.04x = 1,235,651.52 × 380,432
  4. Step 4: Simplify right side
    823,975.04x = 470,081,379,056.64
  5. Step 5: Solve for x
    x = 470,081,379,056.64/823,975.04
  6. Step 6: Final answer
    x = 570,504.39

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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.