Finding the Fourth Proportional to 521,212.04, 719,304.42 and 291,764.84
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Solution
The fourth proportional to 521,212.04, 719,304.42 and 291,764.84 is: 402,653.28
Step by Step Solution
- Step 1: Write the proportion equation
521,212.04 : 719,304.42 = 291,764.84 : x - Step 2: Convert to fraction form
521,212.04/719,304.42 = 291,764.84/x - Step 3: Cross multiply
521,212.04x = 719,304.42 × 291,764.84 - Step 4: Simplify right side
521,212.04x = 209,867,739,012.59 - Step 5: Solve for x
x = 209,867,739,012.59/521,212.04 - Step 6: Final answer
x = 402,653.28
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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.