Home / 788,580.60-1,182,897.56-219,975.64

Finding the Fourth Proportional to 788,580.60, 1,182,897.56 and 219,975.64

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Solution

The fourth proportional to 788,580.60, 1,182,897.56 and 219,975.64 is: 329,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,580.60 : 1,182,897.56 = 219,975.64 : x
  2. Step 2: Convert to fraction form
    788,580.60/1,182,897.56 = 219,975.64/x
  3. Step 3: Cross multiply
    788,580.60x = 1,182,897.56 × 219,975.64
  4. Step 4: Simplify right side
    788,580.60x = 260,208,647,815.44
  5. Step 5: Solve for x
    x = 260,208,647,815.44/788,580.60
  6. Step 6: Final answer
    x = 329,970.90

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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.