Finding the Fourth Proportional to 692,244.18, 1,038,476.06 and 292,887.95
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Solution
The fourth proportional to 692,244.18, 1,038,476.06 and 292,887.95 is: 439,378.37
Step by Step Solution
- Step 1: Write the proportion equation
692,244.18 : 1,038,476.06 = 292,887.95 : x - Step 2: Convert to fraction form
692,244.18/1,038,476.06 = 292,887.95/x - Step 3: Cross multiply
692,244.18x = 1,038,476.06 × 292,887.95 - Step 4: Simplify right side
692,244.18x = 304,157,117,680.66 - Step 5: Solve for x
x = 304,157,117,680.66/692,244.18 - Step 6: Final answer
x = 439,378.37
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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.