Finding the Fourth Proportional to 602,643.54, 831,442.11 and 344,335.14
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Solution
The fourth proportional to 602,643.54, 831,442.11 and 344,335.14 is: 475,064.80
Step by Step Solution
- Step 1: Write the proportion equation
602,643.54 : 831,442.11 = 344,335.14 : x - Step 2: Convert to fraction form
602,643.54/831,442.11 = 344,335.14/x - Step 3: Cross multiply
602,643.54x = 831,442.11 × 344,335.14 - Step 4: Simplify right side
602,643.54x = 286,294,735,348.75 - Step 5: Solve for x
x = 286,294,735,348.75/602,643.54 - Step 6: Final answer
x = 475,064.80
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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.