Finding the Fourth Proportional to 692,235.92, 1,038,463.67 and 292,879.69
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Solution
The fourth proportional to 692,235.92, 1,038,463.67 and 292,879.69 is: 439,365.98
Step by Step Solution
- Step 1: Write the proportion equation
692,235.92 : 1,038,463.67 = 292,879.69 : x - Step 2: Convert to fraction form
692,235.92/1,038,463.67 = 292,879.69/x - Step 3: Cross multiply
692,235.92x = 1,038,463.67 × 292,879.69 - Step 4: Simplify right side
692,235.92x = 304,144,915,881.90 - Step 5: Solve for x
x = 304,144,915,881.90/692,235.92 - Step 6: Final answer
x = 439,365.98
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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.