Finding the Fourth Proportional to 649,391.35, 895,579.81 and 407,696.44
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Solution
The fourth proportional to 649,391.35, 895,579.81 and 407,696.44 is: 562,256.80
Step by Step Solution
- Step 1: Write the proportion equation
649,391.35 : 895,579.81 = 407,696.44 : x - Step 2: Convert to fraction form
649,391.35/895,579.81 = 407,696.44/x - Step 3: Cross multiply
649,391.35x = 895,579.81 × 407,696.44 - Step 4: Simplify right side
649,391.35x = 365,124,700,272.88 - Step 5: Solve for x
x = 365,124,700,272.88/649,391.35 - Step 6: Final answer
x = 562,256.80
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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.