Finding the Fourth Proportional to 578,418.17, 867,804.44 and 258,838.94
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Solution
The fourth proportional to 578,418.17, 867,804.44 and 258,838.94 is: 388,337.70
Step by Step Solution
- Step 1: Write the proportion equation
578,418.17 : 867,804.44 = 258,838.94 : x - Step 2: Convert to fraction form
578,418.17/867,804.44 = 258,838.94/x - Step 3: Cross multiply
578,418.17x = 867,804.44 × 258,838.94 - Step 4: Simplify right side
578,418.17x = 224,621,582,252.21 - Step 5: Solve for x
x = 224,621,582,252.21/578,418.17 - Step 6: Final answer
x = 388,337.70
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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.