Home / 727,651.08-1,091,651.40-278,364.60

Finding the Fourth Proportional to 727,651.08, 1,091,651.40 and 278,364.60

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Solution

The fourth proportional to 727,651.08, 1,091,651.40 and 278,364.60 is: 417,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,651.08 : 1,091,651.40 = 278,364.60 : x
  2. Step 2: Convert to fraction form
    727,651.08/1,091,651.40 = 278,364.60/x
  3. Step 3: Cross multiply
    727,651.08x = 1,091,651.40 × 278,364.60
  4. Step 4: Simplify right side
    727,651.08x = 303,877,105,300.44
  5. Step 5: Solve for x
    x = 303,877,105,300.44/727,651.08
  6. Step 6: Final answer
    x = 417,613.76

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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.