Finding the Fourth Proportional to 847,274.24, 1,169,258.79 and 465,309.23
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Solution
The fourth proportional to 847,274.24, 1,169,258.79 and 465,309.23 is: 642,137.90
Step by Step Solution
- Step 1: Write the proportion equation
847,274.24 : 1,169,258.79 = 465,309.23 : x - Step 2: Convert to fraction form
847,274.24/1,169,258.79 = 465,309.23/x - Step 3: Cross multiply
847,274.24x = 1,169,258.79 × 465,309.23 - Step 4: Simplify right side
847,274.24x = 544,066,903,144.25 - Step 5: Solve for x
x = 544,066,903,144.25/847,274.24 - Step 6: Final answer
x = 642,137.90
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.