Finding the Fourth Proportional to 936,919.27, 1,292,948.32 and 507,199.08
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Solution
The fourth proportional to 936,919.27, 1,292,948.32 and 507,199.08 is: 699,934.58
Step by Step Solution
- Step 1: Write the proportion equation
936,919.27 : 1,292,948.32 = 507,199.08 : x - Step 2: Convert to fraction form
936,919.27/1,292,948.32 = 507,199.08/x - Step 3: Cross multiply
936,919.27x = 1,292,948.32 × 507,199.08 - Step 4: Simplify right side
936,919.27x = 655,782,198,391.55 - Step 5: Solve for x
x = 655,782,198,391.55/936,919.27 - Step 6: Final answer
x = 699,934.58
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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.