Finding the Fourth Proportional to 528,969.11, 730,475.57 and 368,263.58
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Solution
The fourth proportional to 528,969.11, 730,475.57 and 368,263.58 is: 508,550.58
Step by Step Solution
- Step 1: Write the proportion equation
528,969.11 : 730,475.57 = 368,263.58 : x - Step 2: Convert to fraction form
528,969.11/730,475.57 = 368,263.58/x - Step 3: Cross multiply
528,969.11x = 730,475.57 × 368,263.58 - Step 4: Simplify right side
528,969.11x = 269,007,543,017.05 - Step 5: Solve for x
x = 269,007,543,017.05/528,969.11 - Step 6: Final answer
x = 508,550.58
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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.