Finding the Fourth Proportional to 867,938.58, 1,197,897.17 and 519,056.19
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Solution
The fourth proportional to 867,938.58, 1,197,897.17 and 519,056.19 is: 716,382.42
Step by Step Solution
- Step 1: Write the proportion equation
867,938.58 : 1,197,897.17 = 519,056.19 : x - Step 2: Convert to fraction form
867,938.58/1,197,897.17 = 519,056.19/x - Step 3: Cross multiply
867,938.58x = 1,197,897.17 × 519,056.19 - Step 4: Simplify right side
867,938.58x = 621,775,938,476.70 - Step 5: Solve for x
x = 621,775,938,476.70/867,938.58 - Step 6: Final answer
x = 716,382.42
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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.