Finding the Fourth Proportional to 633,418.07, 874,117.05 and 346,948.41
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Solution
The fourth proportional to 633,418.07, 874,117.05 and 346,948.41 is: 478,788.87
Step by Step Solution
- Step 1: Write the proportion equation
633,418.07 : 874,117.05 = 346,948.41 : x - Step 2: Convert to fraction form
633,418.07/874,117.05 = 346,948.41/x - Step 3: Cross multiply
633,418.07x = 874,117.05 × 346,948.41 - Step 4: Simplify right side
633,418.07x = 303,273,520,651.39 - Step 5: Solve for x
x = 303,273,520,651.39/633,418.07 - Step 6: Final answer
x = 478,788.87
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1.5x scale
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.