Finding the Fourth Proportional to 936,922.27, 1,292,952.45 and 507,202.09
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Solution
The fourth proportional to 936,922.27, 1,292,952.45 and 507,202.09 is: 699,938.73
Step by Step Solution
- Step 1: Write the proportion equation
936,922.27 : 1,292,952.45 = 507,202.09 : x - Step 2: Convert to fraction form
936,922.27/1,292,952.45 = 507,202.09/x - Step 3: Cross multiply
936,922.27x = 1,292,952.45 × 507,202.09 - Step 4: Simplify right side
936,922.27x = 655,788,184,910.62 - Step 5: Solve for x
x = 655,788,184,910.62/936,922.27 - Step 6: Final answer
x = 699,938.73
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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.