Home / 721,641.66-1,082,573.20-523,458.45

Finding the Fourth Proportional to 721,641.66, 1,082,573.20 and 523,458.45

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Solution

The fourth proportional to 721,641.66, 1,082,573.20 and 523,458.45 is: 785,267.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,641.66 : 1,082,573.20 = 523,458.45 : x
  2. Step 2: Convert to fraction form
    721,641.66/1,082,573.20 = 523,458.45/x
  3. Step 3: Cross multiply
    721,641.66x = 1,082,573.20 × 523,458.45
  4. Step 4: Simplify right side
    721,641.66x = 566,682,089,937.86
  5. Step 5: Solve for x
    x = 566,682,089,937.86/721,641.66
  6. Step 6: Final answer
    x = 785,267.99

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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.