Finding the Fourth Proportional to 593,267.42, 818,483.13 and 438,590.09
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Solution
The fourth proportional to 593,267.42, 818,483.13 and 438,590.09 is: 605,087.31
Step by Step Solution
- Step 1: Write the proportion equation
593,267.42 : 818,483.13 = 438,590.09 : x - Step 2: Convert to fraction form
593,267.42/818,483.13 = 438,590.09/x - Step 3: Cross multiply
593,267.42x = 818,483.13 × 438,590.09 - Step 4: Simplify right side
593,267.42x = 358,978,591,696.39 - Step 5: Solve for x
x = 358,978,591,696.39/593,267.42 - Step 6: Final answer
x = 605,087.31
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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.