Finding the Fourth Proportional to 692,318.70, 1,036,728.45 and 552,350.70
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Solution
The fourth proportional to 692,318.70, 1,036,728.45 and 552,350.70 is: 827,130.17
Step by Step Solution
- Step 1: Write the proportion equation
692,318.70 : 1,036,728.45 = 552,350.70 : x - Step 2: Convert to fraction form
692,318.70/1,036,728.45 = 552,350.70/x - Step 3: Cross multiply
692,318.70x = 1,036,728.45 × 552,350.70 - Step 4: Simplify right side
692,318.70x = 572,637,685,067.42 - Step 5: Solve for x
x = 572,637,685,067.42/692,318.70 - Step 6: Final answer
x = 827,130.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.