Finding the Fourth Proportional to 704,744.82, 972,554.99 and 382,457.70
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Solution
The fourth proportional to 704,744.82, 972,554.99 and 382,457.70 is: 527,795.50
Step by Step Solution
- Step 1: Write the proportion equation
704,744.82 : 972,554.99 = 382,457.70 : x - Step 2: Convert to fraction form
704,744.82/972,554.99 = 382,457.70/x - Step 3: Cross multiply
704,744.82x = 972,554.99 × 382,457.70 - Step 4: Simplify right side
704,744.82x = 371,961,142,686.64 - Step 5: Solve for x
x = 371,961,142,686.64/704,744.82 - Step 6: Final answer
x = 527,795.50
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1.5x scale
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.