Home / 809,223.20-1,213,834.80-510,041.60

Finding the Fourth Proportional to 809,223.20, 1,213,834.80 and 510,041.60

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Solution

The fourth proportional to 809,223.20, 1,213,834.80 and 510,041.60 is: 765,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,223.20 : 1,213,834.80 = 510,041.60 : x
  2. Step 2: Convert to fraction form
    809,223.20/1,213,834.80 = 510,041.60/x
  3. Step 3: Cross multiply
    809,223.20x = 1,213,834.80 × 510,041.60
  4. Step 4: Simplify right side
    809,223.20x = 619,106,243,527.68
  5. Step 5: Solve for x
    x = 619,106,243,527.68/809,223.20
  6. Step 6: Final answer
    x = 765,062.40

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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.