Finding the Fourth Proportional to 535,679.30, 739,258.76 and 293,970.53
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Solution
The fourth proportional to 535,679.30, 739,258.76 and 293,970.53 is: 405,691.02
Step by Step Solution
- Step 1: Write the proportion equation
535,679.30 : 739,258.76 = 293,970.53 : x - Step 2: Convert to fraction form
535,679.30/739,258.76 = 293,970.53/x - Step 3: Cross multiply
535,679.30x = 739,258.76 × 293,970.53 - Step 4: Simplify right side
535,679.30x = 217,320,284,318.20 - Step 5: Solve for x
x = 217,320,284,318.20/535,679.30 - Step 6: Final answer
x = 405,691.02
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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.