Home / 788,262.40-1,183,268.40-489,080.80

Finding the Fourth Proportional to 788,262.40, 1,183,268.40 and 489,080.80

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Solution

The fourth proportional to 788,262.40, 1,183,268.40 and 489,080.80 is: 734,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,262.40 : 1,183,268.40 = 489,080.80 : x
  2. Step 2: Convert to fraction form
    788,262.40/1,183,268.40 = 489,080.80/x
  3. Step 3: Cross multiply
    788,262.40x = 1,183,268.40 × 489,080.80
  4. Step 4: Simplify right side
    788,262.40x = 578,713,855,686.72
  5. Step 5: Solve for x
    x = 578,713,855,686.72/788,262.40
  6. Step 6: Final answer
    x = 734,163.97

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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.