Finding the Fourth Proportional to 888,383.44, 1,225,970.76 and 485,975.44
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Solution
The fourth proportional to 888,383.44, 1,225,970.76 and 485,975.44 is: 670,646.99
Step by Step Solution
- Step 1: Write the proportion equation
888,383.44 : 1,225,970.76 = 485,975.44 : x - Step 2: Convert to fraction form
888,383.44/1,225,970.76 = 485,975.44/x - Step 3: Cross multiply
888,383.44x = 1,225,970.76 × 485,975.44 - Step 4: Simplify right side
888,383.44x = 595,791,679,518.13 - Step 5: Solve for x
x = 595,791,679,518.13/888,383.44 - Step 6: Final answer
x = 670,646.99
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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.