Home / 788,618.20-1,182,927.30-697,379.80

Finding the Fourth Proportional to 788,618.20, 1,182,927.30 and 697,379.80

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Solution

The fourth proportional to 788,618.20, 1,182,927.30 and 697,379.80 is: 1,046,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,618.20 : 1,182,927.30 = 697,379.80 : x
  2. Step 2: Convert to fraction form
    788,618.20/1,182,927.30 = 697,379.80/x
  3. Step 3: Cross multiply
    788,618.20x = 1,182,927.30 × 697,379.80
  4. Step 4: Simplify right side
    788,618.20x = 824,949,603,888.54
  5. Step 5: Solve for x
    x = 824,949,603,888.54/788,618.20
  6. Step 6: Final answer
    x = 1,046,069.70

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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.