Finding the Fourth Proportional to 788,116.78, 1,087,602.36 and 448,585
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Solution
The fourth proportional to 788,116.78, 1,087,602.36 and 448,585 is: 619,047.99
Step by Step Solution
- Step 1: Write the proportion equation
788,116.78 : 1,087,602.36 = 448,585 : x - Step 2: Convert to fraction form
788,116.78/1,087,602.36 = 448,585/x - Step 3: Cross multiply
788,116.78x = 1,087,602.36 × 448,585 - Step 4: Simplify right side
788,116.78x = 487,882,104,660.60 - Step 5: Solve for x
x = 487,882,104,660.60/788,116.78 - Step 6: Final answer
x = 619,047.99
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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.