Finding the Fourth Proportional to 993,905.05, 1,371,551.55 and 607,366.81
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Solution
The fourth proportional to 993,905.05, 1,371,551.55 and 607,366.81 is: 838,143.33
Step by Step Solution
- Step 1: Write the proportion equation
993,905.05 : 1,371,551.55 = 607,366.81 : x - Step 2: Convert to fraction form
993,905.05/1,371,551.55 = 607,366.81/x - Step 3: Cross multiply
993,905.05x = 1,371,551.55 × 607,366.81 - Step 4: Simplify right side
993,905.05x = 833,034,889,674.06 - Step 5: Solve for x
x = 833,034,889,674.06/993,905.05 - Step 6: Final answer
x = 838,143.33
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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.