Home / 727,762.84-1,091,854.78-301,219.80

Finding the Fourth Proportional to 727,762.84, 1,091,854.78 and 301,219.80

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Solution

The fourth proportional to 727,762.84, 1,091,854.78 and 301,219.80 is: 451,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,762.84 : 1,091,854.78 = 301,219.80 : x
  2. Step 2: Convert to fraction form
    727,762.84/1,091,854.78 = 301,219.80/x
  3. Step 3: Cross multiply
    727,762.84x = 1,091,854.78 × 301,219.80
  4. Step 4: Simplify right side
    727,762.84x = 328,888,278,460.64
  5. Step 5: Solve for x
    x = 328,888,278,460.64/727,762.84
  6. Step 6: Final answer
    x = 451,916.83

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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.