Finding the Fourth Proportional to 936,919.96, 1,292,949.98 and 507,200.09
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Solution
The fourth proportional to 936,919.96, 1,292,949.98 and 507,200.09 is: 699,936.36
Step by Step Solution
- Step 1: Write the proportion equation
936,919.96 : 1,292,949.98 = 507,200.09 : x - Step 2: Convert to fraction form
936,919.96/1,292,949.98 = 507,200.09/x - Step 3: Cross multiply
936,919.96x = 1,292,949.98 × 507,200.09 - Step 4: Simplify right side
936,919.96x = 655,784,346,308.55 - Step 5: Solve for x
x = 655,784,346,308.55/936,919.96 - Step 6: Final answer
x = 699,936.36
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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.