Finding the Fourth Proportional to 704,858.87, 972,706.09 and 382,569.05
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Solution
The fourth proportional to 704,858.87, 972,706.09 and 382,569.05 is: 527,945.75
Step by Step Solution
- Step 1: Write the proportion equation
704,858.87 : 972,706.09 = 382,569.05 : x - Step 2: Convert to fraction form
704,858.87/972,706.09 = 382,569.05/x - Step 3: Cross multiply
704,858.87x = 972,706.09 × 382,569.05 - Step 4: Simplify right side
704,858.87x = 372,127,239,916.98 - Step 5: Solve for x
x = 372,127,239,916.98/704,858.87 - Step 6: Final answer
x = 527,945.75
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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.