Home / 719,916.20-1,080,003.90-299,234.60

Finding the Fourth Proportional to 719,916.20, 1,080,003.90 and 299,234.60

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Solution

The fourth proportional to 719,916.20, 1,080,003.90 and 299,234.60 is: 448,905.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,916.20 : 1,080,003.90 = 299,234.60 : x
  2. Step 2: Convert to fraction form
    719,916.20/1,080,003.90 = 299,234.60/x
  3. Step 3: Cross multiply
    719,916.20x = 1,080,003.90 × 299,234.60
  4. Step 4: Simplify right side
    719,916.20x = 323,174,535,014.94
  5. Step 5: Solve for x
    x = 323,174,535,014.94/719,916.20
  6. Step 6: Final answer
    x = 448,905.77

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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.