Finding the Fourth Proportional to 692,371.92, 1,038,595.68 and 219,022.08
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Solution
The fourth proportional to 692,371.92, 1,038,595.68 and 219,022.08 is: 328,545.08
Step by Step Solution
- Step 1: Write the proportion equation
692,371.92 : 1,038,595.68 = 219,022.08 : x - Step 2: Convert to fraction form
692,371.92/1,038,595.68 = 219,022.08/x - Step 3: Cross multiply
692,371.92x = 1,038,595.68 × 219,022.08 - Step 4: Simplify right side
692,371.92x = 227,475,386,112.61 - Step 5: Solve for x
x = 227,475,386,112.61/692,371.92 - Step 6: Final answer
x = 328,545.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.