Home / 717,536.80-1,076,218.80-296,768.80

Finding the Fourth Proportional to 717,536.80, 1,076,218.80 and 296,768.80

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Solution

The fourth proportional to 717,536.80, 1,076,218.80 and 296,768.80 is: 445,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,536.80 : 1,076,218.80 = 296,768.80 : x
  2. Step 2: Convert to fraction form
    717,536.80/1,076,218.80 = 296,768.80/x
  3. Step 3: Cross multiply
    717,536.80x = 1,076,218.80 × 296,768.80
  4. Step 4: Simplify right side
    717,536.80x = 319,388,161,813.44
  5. Step 5: Solve for x
    x = 319,388,161,813.44/717,536.80
  6. Step 6: Final answer
    x = 445,117.47

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1.5x scale

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.