Finding the Fourth Proportional to 412,328.05, 617,963.54 and 358,797.58
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Solution
The fourth proportional to 412,328.05, 617,963.54 and 358,797.58 is: 537,736.45
Step by Step Solution
- Step 1: Write the proportion equation
412,328.05 : 617,963.54 = 358,797.58 : x - Step 2: Convert to fraction form
412,328.05/617,963.54 = 358,797.58/x - Step 3: Cross multiply
412,328.05x = 617,963.54 × 358,797.58 - Step 4: Simplify right side
412,328.05x = 221,723,822,680.23 - Step 5: Solve for x
x = 221,723,822,680.23/412,328.05 - Step 6: Final answer
x = 537,736.45
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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.