Finding the Fourth Proportional to 704,861.81, 972,710.36 and 382,572.02
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Solution
The fourth proportional to 704,861.81, 972,710.36 and 382,572.02 is: 527,949.96
Step by Step Solution
- Step 1: Write the proportion equation
704,861.81 : 972,710.36 = 382,572.02 : x - Step 2: Convert to fraction form
704,861.81/972,710.36 = 382,572.02/x - Step 3: Cross multiply
704,861.81x = 972,710.36 × 382,572.02 - Step 4: Simplify right side
704,861.81x = 372,131,767,300.13 - Step 5: Solve for x
x = 372,131,767,300.13/704,861.81 - Step 6: Final answer
x = 527,949.96
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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.