Home / 717,729.20-1,076,593.80-291,264.20

Finding the Fourth Proportional to 717,729.20, 1,076,593.80 and 291,264.20

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Solution

The fourth proportional to 717,729.20, 1,076,593.80 and 291,264.20 is: 436,896.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,729.20 : 1,076,593.80 = 291,264.20 : x
  2. Step 2: Convert to fraction form
    717,729.20/1,076,593.80 = 291,264.20/x
  3. Step 3: Cross multiply
    717,729.20x = 1,076,593.80 × 291,264.20
  4. Step 4: Simplify right side
    717,729.20x = 313,573,231,881.96
  5. Step 5: Solve for x
    x = 313,573,231,881.96/717,729.20
  6. Step 6: Final answer
    x = 436,896.30

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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.