Finding the Fourth Proportional to 936,936.06, 1,292,972.19 and 507,216.19
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Solution
The fourth proportional to 936,936.06, 1,292,972.19 and 507,216.19 is: 699,958.57
Step by Step Solution
- Step 1: Write the proportion equation
936,936.06 : 1,292,972.19 = 507,216.19 : x - Step 2: Convert to fraction form
936,936.06/1,292,972.19 = 507,216.19/x - Step 3: Cross multiply
936,936.06x = 1,292,972.19 × 507,216.19 - Step 4: Simplify right side
936,936.06x = 655,816,421,522.90 - Step 5: Solve for x
x = 655,816,421,522.90/936,936.06 - Step 6: Final answer
x = 699,958.57
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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.