Finding the Fourth Proportional to 519,009.31, 716,232.95 and 292,654.81
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Solution
The fourth proportional to 519,009.31, 716,232.95 and 292,654.81 is: 403,863.70
Step by Step Solution
- Step 1: Write the proportion equation
519,009.31 : 716,232.95 = 292,654.81 : x - Step 2: Convert to fraction form
519,009.31/716,232.95 = 292,654.81/x - Step 3: Cross multiply
519,009.31x = 716,232.95 × 292,654.81 - Step 4: Simplify right side
519,009.31x = 209,609,017,897.99 - Step 5: Solve for x
x = 209,609,017,897.99/519,009.31 - Step 6: Final answer
x = 403,863.70
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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.