Finding the Fourth Proportional to 888,366.44, 1,225,947.30 and 485,958.44
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Solution
The fourth proportional to 888,366.44, 1,225,947.30 and 485,958.44 is: 670,623.53
Step by Step Solution
- Step 1: Write the proportion equation
888,366.44 : 1,225,947.30 = 485,958.44 : x - Step 2: Convert to fraction form
888,366.44/1,225,947.30 = 485,958.44/x - Step 3: Cross multiply
888,366.44x = 1,225,947.30 × 485,958.44 - Step 4: Simplify right side
888,366.44x = 595,759,437,430.21 - Step 5: Solve for x
x = 595,759,437,430.21/888,366.44 - Step 6: Final answer
x = 670,623.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.