Finding the Fourth Proportional to 936,495.24, 1,292,366.82 and 506,775.30
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Solution
The fourth proportional to 936,495.24, 1,292,366.82 and 506,775.30 is: 699,351.75
Step by Step Solution
- Step 1: Write the proportion equation
936,495.24 : 1,292,366.82 = 506,775.30 : x - Step 2: Convert to fraction form
936,495.24/1,292,366.82 = 506,775.30/x - Step 3: Cross multiply
936,495.24x = 1,292,366.82 × 506,775.30 - Step 4: Simplify right side
936,495.24x = 654,939,582,915.55 - Step 5: Solve for x
x = 654,939,582,915.55/936,495.24 - Step 6: Final answer
x = 699,351.75
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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.