Finding the Fourth Proportional to 613,045.76, 845,876.36 and 358,347.68
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Solution
The fourth proportional to 613,045.76, 845,876.36 and 358,347.68 is: 494,445.69
Step by Step Solution
- Step 1: Write the proportion equation
613,045.76 : 845,876.36 = 358,347.68 : x - Step 2: Convert to fraction form
613,045.76/845,876.36 = 358,347.68/x - Step 3: Cross multiply
613,045.76x = 845,876.36 × 358,347.68 - Step 4: Simplify right side
613,045.76x = 303,117,831,172.85 - Step 5: Solve for x
x = 303,117,831,172.85/613,045.76 - Step 6: Final answer
x = 494,445.69
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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.