Finding the Fourth Proportional to 523,536.39, 722,460.18 and 319,927.92
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Solution
The fourth proportional to 523,536.39, 722,460.18 and 319,927.92 is: 441,488.28
Step by Step Solution
- Step 1: Write the proportion equation
523,536.39 : 722,460.18 = 319,927.92 : x - Step 2: Convert to fraction form
523,536.39/722,460.18 = 319,927.92/x - Step 3: Cross multiply
523,536.39x = 722,460.18 × 319,927.92 - Step 4: Simplify right side
523,536.39x = 231,135,182,670.23 - Step 5: Solve for x
x = 231,135,182,670.23/523,536.39 - Step 6: Final answer
x = 441,488.28
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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.