Home / 784,599.75-1,177,074.59-285,963.75

Finding the Fourth Proportional to 784,599.75, 1,177,074.59 and 285,963.75

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Solution

The fourth proportional to 784,599.75, 1,177,074.59 and 285,963.75 is: 429,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,599.75 : 1,177,074.59 = 285,963.75 : x
  2. Step 2: Convert to fraction form
    784,599.75/1,177,074.59 = 285,963.75/x
  3. Step 3: Cross multiply
    784,599.75x = 1,177,074.59 × 285,963.75
  4. Step 4: Simplify right side
    784,599.75x = 336,600,662,356.29
  5. Step 5: Solve for x
    x = 336,600,662,356.29/784,599.75
  6. Step 6: Final answer
    x = 429,009.39

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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.