Finding the Fourth Proportional to 612,753.36, 845,572.37 and 354,588.95
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Solution
The fourth proportional to 612,753.36, 845,572.37 and 354,588.95 is: 489,316.97
Step by Step Solution
- Step 1: Write the proportion equation
612,753.36 : 845,572.37 = 354,588.95 : x - Step 2: Convert to fraction form
612,753.36/845,572.37 = 354,588.95/x - Step 3: Cross multiply
612,753.36x = 845,572.37 × 354,588.95 - Step 4: Simplify right side
612,753.36x = 299,830,618,827.31 - Step 5: Solve for x
x = 299,830,618,827.31/612,753.36 - Step 6: Final answer
x = 489,316.97
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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.