Finding the Fourth Proportional to 993,901.05, 1,371,546.05 and 607,362.80
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Solution
The fourth proportional to 993,901.05, 1,371,546.05 and 607,362.80 is: 838,137.80
Step by Step Solution
- Step 1: Write the proportion equation
993,901.05 : 1,371,546.05 = 607,362.80 : x - Step 2: Convert to fraction form
993,901.05/1,371,546.05 = 607,362.80/x - Step 3: Cross multiply
993,901.05x = 1,371,546.05 × 607,362.80 - Step 4: Simplify right side
993,901.05x = 833,026,039,362.40 - Step 5: Solve for x
x = 833,026,039,362.40/993,901.05 - Step 6: Final answer
x = 838,137.80
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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.