Home / 715,570.26-1,073,491.47-242,128.50

Finding the Fourth Proportional to 715,570.26, 1,073,491.47 and 242,128.50

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Solution

The fourth proportional to 715,570.26, 1,073,491.47 and 242,128.50 is: 363,238.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,570.26 : 1,073,491.47 = 242,128.50 : x
  2. Step 2: Convert to fraction form
    715,570.26/1,073,491.47 = 242,128.50/x
  3. Step 3: Cross multiply
    715,570.26x = 1,073,491.47 × 242,128.50
  4. Step 4: Simplify right side
    715,570.26x = 259,922,879,393.90
  5. Step 5: Solve for x
    x = 259,922,879,393.90/715,570.26
  6. Step 6: Final answer
    x = 363,238.80

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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.