Finding the Fourth Proportional to 668,474.84, 922,491.08 and 362,558.50
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Solution
The fourth proportional to 668,474.84, 922,491.08 and 362,558.50 is: 500,328.45
Step by Step Solution
- Step 1: Write the proportion equation
668,474.84 : 922,491.08 = 362,558.50 : x - Step 2: Convert to fraction form
668,474.84/922,491.08 = 362,558.50/x - Step 3: Cross multiply
668,474.84x = 922,491.08 × 362,558.50 - Step 4: Simplify right side
668,474.84x = 334,456,979,468.75 - Step 5: Solve for x
x = 334,456,979,468.75/668,474.84 - Step 6: Final answer
x = 500,328.45
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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.