Finding the Fourth Proportional to 523,495.80, 722,427.66 and 297,145.08
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Solution
The fourth proportional to 523,495.80, 722,427.66 and 297,145.08 is: 410,062.17
Step by Step Solution
- Step 1: Write the proportion equation
523,495.80 : 722,427.66 = 297,145.08 : x - Step 2: Convert to fraction form
523,495.80/722,427.66 = 297,145.08/x - Step 3: Cross multiply
523,495.80x = 722,427.66 × 297,145.08 - Step 4: Simplify right side
523,495.80x = 214,665,824,824.91 - Step 5: Solve for x
x = 214,665,824,824.91/523,495.80 - Step 6: Final answer
x = 410,062.17
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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.