Finding the Fourth Proportional to 684,204.18, 1,025,309.81 and 328,803.02
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Solution
The fourth proportional to 684,204.18, 1,025,309.81 and 328,803.02 is: 492,725.66
Step by Step Solution
- Step 1: Write the proportion equation
684,204.18 : 1,025,309.81 = 328,803.02 : x - Step 2: Convert to fraction form
684,204.18/1,025,309.81 = 328,803.02/x - Step 3: Cross multiply
684,204.18x = 1,025,309.81 × 328,803.02 - Step 4: Simplify right side
684,204.18x = 337,124,955,193.06 - Step 5: Solve for x
x = 337,124,955,193.06/684,204.18 - Step 6: Final answer
x = 492,725.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.