Finding the Fourth Proportional to 898,890.84, 1,238,865.25 and 680,576.49
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Solution
The fourth proportional to 898,890.84, 1,238,865.25 and 680,576.49 is: 937,981.04
Step by Step Solution
- Step 1: Write the proportion equation
898,890.84 : 1,238,865.25 = 680,576.49 : x - Step 2: Convert to fraction form
898,890.84/1,238,865.25 = 680,576.49/x - Step 3: Cross multiply
898,890.84x = 1,238,865.25 × 680,576.49 - Step 4: Simplify right side
898,890.84x = 843,142,563,427.97 - Step 5: Solve for x
x = 843,142,563,427.97/898,890.84 - Step 6: Final answer
x = 937,981.04
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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.