Finding the Fourth Proportional to 584,838.10, 807,146.49 and 355,432.75
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Solution
The fourth proportional to 584,838.10, 807,146.49 and 355,432.75 is: 490,539.68
Step by Step Solution
- Step 1: Write the proportion equation
584,838.10 : 807,146.49 = 355,432.75 : x - Step 2: Convert to fraction form
584,838.10/807,146.49 = 355,432.75/x - Step 3: Cross multiply
584,838.10x = 807,146.49 × 355,432.75 - Step 4: Simplify right side
584,838.10x = 286,886,296,593.55 - Step 5: Solve for x
x = 286,886,296,593.55/584,838.10 - Step 6: Final answer
x = 490,539.68
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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.