Home / 990,184.83-1,483,946.82-540,231.45

Finding the Fourth Proportional to 990,184.83, 1,483,946.82 and 540,231.45

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Solution

The fourth proportional to 990,184.83, 1,483,946.82 and 540,231.45 is: 809,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,184.83 : 1,483,946.82 = 540,231.45 : x
  2. Step 2: Convert to fraction form
    990,184.83/1,483,946.82 = 540,231.45/x
  3. Step 3: Cross multiply
    990,184.83x = 1,483,946.82 × 540,231.45
  4. Step 4: Simplify right side
    990,184.83x = 801,674,742,291.49
  5. Step 5: Solve for x
    x = 801,674,742,291.49/990,184.83
  6. Step 6: Final answer
    x = 809,621.31

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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.