Finding the Fourth Proportional to 936,834.21, 1,292,830.14 and 507,114.21
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Solution
The fourth proportional to 936,834.21, 1,292,830.14 and 507,114.21 is: 699,817.03
Step by Step Solution
- Step 1: Write the proportion equation
936,834.21 : 1,292,830.14 = 507,114.21 : x - Step 2: Convert to fraction form
936,834.21/1,292,830.14 = 507,114.21/x - Step 3: Cross multiply
936,834.21x = 1,292,830.14 × 507,114.21 - Step 4: Simplify right side
936,834.21x = 655,612,535,110.29 - Step 5: Solve for x
x = 655,612,535,110.29/936,834.21 - Step 6: Final answer
x = 699,817.03
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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.