Finding the Fourth Proportional to 575,294.23, 793,906.91 and 320,639.95
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Solution
The fourth proportional to 575,294.23, 793,906.91 and 320,639.95 is: 442,483.62
Step by Step Solution
- Step 1: Write the proportion equation
575,294.23 : 793,906.91 = 320,639.95 : x - Step 2: Convert to fraction form
575,294.23/793,906.91 = 320,639.95/x - Step 3: Cross multiply
575,294.23x = 793,906.91 × 320,639.95 - Step 4: Simplify right side
575,294.23x = 254,558,271,927.06 - Step 5: Solve for x
x = 254,558,271,927.06/575,294.23 - Step 6: Final answer
x = 442,483.62
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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.