Finding the Fourth Proportional to 633,441.39, 874,149.35 and 346,966.26
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Solution
The fourth proportional to 633,441.39, 874,149.35 and 346,966.26 is: 478,813.56
Step by Step Solution
- Step 1: Write the proportion equation
633,441.39 : 874,149.35 = 346,966.26 : x - Step 2: Convert to fraction form
633,441.39/874,149.35 = 346,966.26/x - Step 3: Cross multiply
633,441.39x = 874,149.35 × 346,966.26 - Step 4: Simplify right side
633,441.39x = 303,300,328,916.10 - Step 5: Solve for x
x = 303,300,328,916.10/633,441.39 - Step 6: Final answer
x = 478,813.56
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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.