Home / 788,580.35-1,182,897.18-219,975.39

Finding the Fourth Proportional to 788,580.35, 1,182,897.18 and 219,975.39

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Solution

The fourth proportional to 788,580.35, 1,182,897.18 and 219,975.39 is: 329,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,580.35 : 1,182,897.18 = 219,975.39 : x
  2. Step 2: Convert to fraction form
    788,580.35/1,182,897.18 = 219,975.39/x
  3. Step 3: Cross multiply
    788,580.35x = 1,182,897.18 × 219,975.39
  4. Step 4: Simplify right side
    788,580.35x = 260,208,268,500.40
  5. Step 5: Solve for x
    x = 260,208,268,500.40/788,580.35
  6. Step 6: Final answer
    x = 329,970.52

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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.