Finding the Fourth Proportional to 808,784.84, 1,116,115.38 and 446,211.63
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Solution
The fourth proportional to 808,784.84, 1,116,115.38 and 446,211.63 is: 615,767.80
Step by Step Solution
- Step 1: Write the proportion equation
808,784.84 : 1,116,115.38 = 446,211.63 : x - Step 2: Convert to fraction form
808,784.84/1,116,115.38 = 446,211.63/x - Step 3: Cross multiply
808,784.84x = 1,116,115.38 × 446,211.63 - Step 4: Simplify right side
808,784.84x = 498,023,662,977.87 - Step 5: Solve for x
x = 498,023,662,977.87/808,784.84 - Step 6: Final answer
x = 615,767.80
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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.