Finding the Fourth Proportional to 633,423.24, 874,122.84 and 346,948.92
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Solution
The fourth proportional to 633,423.24, 874,122.84 and 346,948.92 is: 478,788.84
Step by Step Solution
- Step 1: Write the proportion equation
633,423.24 : 874,122.84 = 346,948.92 : x - Step 2: Convert to fraction form
633,423.24/874,122.84 = 346,948.92/x - Step 3: Cross multiply
633,423.24x = 874,122.84 × 346,948.92 - Step 4: Simplify right side
633,423.24x = 303,275,975,285.33 - Step 5: Solve for x
x = 303,275,975,285.33/633,423.24 - Step 6: Final answer
x = 478,788.84
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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.