Home / 788,518.20-1,182,647.88-219,937.98

Finding the Fourth Proportional to 788,518.20, 1,182,647.88 and 219,937.98

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Solution

The fourth proportional to 788,518.20, 1,182,647.88 and 219,937.98 is: 329,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,518.20 : 1,182,647.88 = 219,937.98 : x
  2. Step 2: Convert to fraction form
    788,518.20/1,182,647.88 = 219,937.98/x
  3. Step 3: Cross multiply
    788,518.20x = 1,182,647.88 × 219,937.98
  4. Step 4: Simplify right side
    788,518.20x = 260,109,185,778.48
  5. Step 5: Solve for x
    x = 260,109,185,778.48/788,518.20
  6. Step 6: Final answer
    x = 329,870.87

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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.