Finding the Fourth Proportional to 936,486.23, 1,292,354.39 and 506,766.31
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Solution
The fourth proportional to 936,486.23, 1,292,354.39 and 506,766.31 is: 699,339.35
Step by Step Solution
- Step 1: Write the proportion equation
936,486.23 : 1,292,354.39 = 506,766.31 : x - Step 2: Convert to fraction form
936,486.23/1,292,354.39 = 506,766.31/x - Step 3: Cross multiply
936,486.23x = 1,292,354.39 × 506,766.31 - Step 4: Simplify right side
936,486.23x = 654,921,663,468.63 - Step 5: Solve for x
x = 654,921,663,468.63/936,486.23 - Step 6: Final answer
x = 699,339.35
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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.