Home / 788,476.20-1,183,127.40-362,140.80

Finding the Fourth Proportional to 788,476.20, 1,183,127.40 and 362,140.80

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Solution

The fourth proportional to 788,476.20, 1,183,127.40 and 362,140.80 is: 543,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,476.20 : 1,183,127.40 = 362,140.80 : x
  2. Step 2: Convert to fraction form
    788,476.20/1,183,127.40 = 362,140.80/x
  3. Step 3: Cross multiply
    788,476.20x = 1,183,127.40 × 362,140.80
  4. Step 4: Simplify right side
    788,476.20x = 428,458,703,137.92
  5. Step 5: Solve for x
    x = 428,458,703,137.92/788,476.20
  6. Step 6: Final answer
    x = 543,400.93

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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.