Finding the Fourth Proportional to 609,641.62, 841,318.95 and 347,991.58
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Solution
The fourth proportional to 609,641.62, 841,318.95 and 347,991.58 is: 480,236.09
Step by Step Solution
- Step 1: Write the proportion equation
609,641.62 : 841,318.95 = 347,991.58 : x - Step 2: Convert to fraction form
609,641.62/841,318.95 = 347,991.58/x - Step 3: Cross multiply
609,641.62x = 841,318.95 × 347,991.58 - Step 4: Simplify right side
609,641.62x = 292,771,910,694.44 - Step 5: Solve for x
x = 292,771,910,694.44/609,641.62 - Step 6: Final answer
x = 480,236.09
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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.