Finding the Fourth Proportional to 617,946.99, 852,619.82 and 376,226.79
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Solution
The fourth proportional to 617,946.99, 852,619.82 and 376,226.79 is: 519,103.45
Step by Step Solution
- Step 1: Write the proportion equation
617,946.99 : 852,619.82 = 376,226.79 : x - Step 2: Convert to fraction form
617,946.99/852,619.82 = 376,226.79/x - Step 3: Cross multiply
617,946.99x = 852,619.82 × 376,226.79 - Step 4: Simplify right side
617,946.99x = 320,778,416,087.84 - Step 5: Solve for x
x = 320,778,416,087.84/617,946.99 - Step 6: Final answer
x = 519,103.45
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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.