Finding the Fourth Proportional to 589,787.52, 813,366.68 and 437,205.80
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Solution
The fourth proportional to 589,787.52, 813,366.68 and 437,205.80 is: 602,943.63
Step by Step Solution
- Step 1: Write the proportion equation
589,787.52 : 813,366.68 = 437,205.80 : x - Step 2: Convert to fraction form
589,787.52/813,366.68 = 437,205.80/x - Step 3: Cross multiply
589,787.52x = 813,366.68 × 437,205.80 - Step 4: Simplify right side
589,787.52x = 355,608,630,022.74 - Step 5: Solve for x
x = 355,608,630,022.74/589,787.52 - Step 6: Final answer
x = 602,943.63
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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.