Finding the Fourth Proportional to 893,358.01, 1,232,909.63 and 491,033.53
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Solution
The fourth proportional to 893,358.01, 1,232,909.63 and 491,033.53 is: 677,667.81
Step by Step Solution
- Step 1: Write the proportion equation
893,358.01 : 1,232,909.63 = 491,033.53 : x - Step 2: Convert to fraction form
893,358.01/1,232,909.63 = 491,033.53/x - Step 3: Cross multiply
893,358.01x = 1,232,909.63 × 491,033.53 - Step 4: Simplify right side
893,358.01x = 605,399,967,789.89 - Step 5: Solve for x
x = 605,399,967,789.89/893,358.01 - Step 6: Final answer
x = 677,667.81
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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.