Home / 787,376.48-1,179,289.08-365,765.12

Finding the Fourth Proportional to 787,376.48, 1,179,289.08 and 365,765.12

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Solution

The fourth proportional to 787,376.48, 1,179,289.08 and 365,765.12 is: 547,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,376.48 : 1,179,289.08 = 365,765.12 : x
  2. Step 2: Convert to fraction form
    787,376.48/1,179,289.08 = 365,765.12/x
  3. Step 3: Cross multiply
    787,376.48x = 1,179,289.08 × 365,765.12
  4. Step 4: Simplify right side
    787,376.48x = 431,342,811,860.89
  5. Step 5: Solve for x
    x = 431,342,811,860.89/787,376.48
  6. Step 6: Final answer
    x = 547,822.83

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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.