Finding the Fourth Proportional to 633,435.92, 874,154.16 and 346,956.08
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Solution
The fourth proportional to 633,435.92, 874,154.16 and 346,956.08 is: 478,806.29
Step by Step Solution
- Step 1: Write the proportion equation
633,435.92 : 874,154.16 = 346,956.08 : x - Step 2: Convert to fraction form
633,435.92/874,154.16 = 346,956.08/x - Step 3: Cross multiply
633,435.92x = 874,154.16 × 346,956.08 - Step 4: Simplify right side
633,435.92x = 303,293,100,669.29 - Step 5: Solve for x
x = 303,293,100,669.29/633,435.92 - Step 6: Final answer
x = 478,806.29
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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.