Home / 787,708.61-1,181,810.77-281,924.76

Finding the Fourth Proportional to 787,708.61, 1,181,810.77 and 281,924.76

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Solution

The fourth proportional to 787,708.61, 1,181,810.77 and 281,924.76 is: 422,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,708.61 : 1,181,810.77 = 281,924.76 : x
  2. Step 2: Convert to fraction form
    787,708.61/1,181,810.77 = 281,924.76/x
  3. Step 3: Cross multiply
    787,708.61x = 1,181,810.77 × 281,924.76
  4. Step 4: Simplify right side
    787,708.61x = 333,181,717,697.67
  5. Step 5: Solve for x
    x = 333,181,717,697.67/787,708.61
  6. Step 6: Final answer
    x = 422,975.85

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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.