Finding the Fourth Proportional to 936,930.96, 1,292,965.12 and 507,211.08
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Solution
The fourth proportional to 936,930.96, 1,292,965.12 and 507,211.08 is: 699,951.50
Step by Step Solution
- Step 1: Write the proportion equation
936,930.96 : 1,292,965.12 = 507,211.08 : x - Step 2: Convert to fraction form
936,930.96/1,292,965.12 = 507,211.08/x - Step 3: Cross multiply
936,930.96x = 1,292,965.12 × 507,211.08 - Step 4: Simplify right side
936,930.96x = 655,806,234,917.53 - Step 5: Solve for x
x = 655,806,234,917.53/936,930.96 - Step 6: Final answer
x = 699,951.50
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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.