Home / 719,815.21-1,080,387.02-365,078.34

Finding the Fourth Proportional to 719,815.21, 1,080,387.02 and 365,078.34

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Solution

The fourth proportional to 719,815.21, 1,080,387.02 and 365,078.34 is: 547,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,815.21 : 1,080,387.02 = 365,078.34 : x
  2. Step 2: Convert to fraction form
    719,815.21/1,080,387.02 = 365,078.34/x
  3. Step 3: Cross multiply
    719,815.21x = 1,080,387.02 × 365,078.34
  4. Step 4: Simplify right side
    719,815.21x = 394,425,900,731.84
  5. Step 5: Solve for x
    x = 394,425,900,731.84/719,815.21
  6. Step 6: Final answer
    x = 547,954.39

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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.