Finding the Fourth Proportional to 870,005.59, 1,304,586.47 and 510,293.99
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Solution
The fourth proportional to 870,005.59, 1,304,586.47 and 510,293.99 is: 765,193.51
Step by Step Solution
- Step 1: Write the proportion equation
870,005.59 : 1,304,586.47 = 510,293.99 : x - Step 2: Convert to fraction form
870,005.59/1,304,586.47 = 510,293.99/x - Step 3: Cross multiply
870,005.59x = 1,304,586.47 × 510,293.99 - Step 4: Simplify right side
870,005.59x = 665,722,635,076.32 - Step 5: Solve for x
x = 665,722,635,076.32/870,005.59 - Step 6: Final answer
x = 765,193.51
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1.5x scale
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.