Home / 718,709.50-1,076,999.24-291,725.77

Finding the Fourth Proportional to 718,709.50, 1,076,999.24 and 291,725.77

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Solution

The fourth proportional to 718,709.50, 1,076,999.24 and 291,725.77 is: 437,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,709.50 : 1,076,999.24 = 291,725.77 : x
  2. Step 2: Convert to fraction form
    718,709.50/1,076,999.24 = 291,725.77/x
  3. Step 3: Cross multiply
    718,709.50x = 1,076,999.24 × 291,725.77
  4. Step 4: Simplify right side
    718,709.50x = 314,188,432,578.42
  5. Step 5: Solve for x
    x = 314,188,432,578.42/718,709.50
  6. Step 6: Final answer
    x = 437,156.37

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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.