Home / 717,934.72-1,076,919.36-343,546.24

Finding the Fourth Proportional to 717,934.72, 1,076,919.36 and 343,546.24

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Solution

The fourth proportional to 717,934.72, 1,076,919.36 and 343,546.24 is: 515,327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,934.72 : 1,076,919.36 = 343,546.24 : x
  2. Step 2: Convert to fraction form
    717,934.72/1,076,919.36 = 343,546.24/x
  3. Step 3: Cross multiply
    717,934.72x = 1,076,919.36 × 343,546.24
  4. Step 4: Simplify right side
    717,934.72x = 369,971,596,911.21
  5. Step 5: Solve for x
    x = 369,971,596,911.21/717,934.72
  6. Step 6: Final answer
    x = 515,327.63

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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.