Home / 990,184.86-1,483,946.82-540,231.48

Finding the Fourth Proportional to 990,184.86, 1,483,946.82 and 540,231.48

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Solution

The fourth proportional to 990,184.86, 1,483,946.82 and 540,231.48 is: 809,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,184.86 : 1,483,946.82 = 540,231.48 : x
  2. Step 2: Convert to fraction form
    990,184.86/1,483,946.82 = 540,231.48/x
  3. Step 3: Cross multiply
    990,184.86x = 1,483,946.82 × 540,231.48
  4. Step 4: Simplify right side
    990,184.86x = 801,674,786,809.89
  5. Step 5: Solve for x
    x = 801,674,786,809.89/990,184.86
  6. Step 6: Final answer
    x = 809,621.33

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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.