Home / 788,519.20-1,182,649.38-219,938.98

Finding the Fourth Proportional to 788,519.20, 1,182,649.38 and 219,938.98

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Solution

The fourth proportional to 788,519.20, 1,182,649.38 and 219,938.98 is: 329,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,519.20 : 1,182,649.38 = 219,938.98 : x
  2. Step 2: Convert to fraction form
    788,519.20/1,182,649.38 = 219,938.98/x
  3. Step 3: Cross multiply
    788,519.20x = 1,182,649.38 × 219,938.98
  4. Step 4: Simplify right side
    788,519.20x = 260,110,698,334.83
  5. Step 5: Solve for x
    x = 260,110,698,334.83/788,519.20
  6. Step 6: Final answer
    x = 329,872.37

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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.