Home / 800,551.78-1,200,973.20-379,823.74

Finding the Fourth Proportional to 800,551.78, 1,200,973.20 and 379,823.74

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Solution

The fourth proportional to 800,551.78, 1,200,973.20 and 379,823.74 is: 569,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,551.78 : 1,200,973.20 = 379,823.74 : x
  2. Step 2: Convert to fraction form
    800,551.78/1,200,973.20 = 379,823.74/x
  3. Step 3: Cross multiply
    800,551.78x = 1,200,973.20 × 379,823.74
  4. Step 4: Simplify right side
    800,551.78x = 456,158,132,463.77
  5. Step 5: Solve for x
    x = 456,158,132,463.77/800,551.78
  6. Step 6: Final answer
    x = 569,804.66

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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.