Finding the Fourth Proportional to 804,798.84, 1,110,622.08 and 442,246.08
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Solution
The fourth proportional to 804,798.84, 1,110,622.08 and 442,246.08 is: 610,299.42
Step by Step Solution
- Step 1: Write the proportion equation
804,798.84 : 1,110,622.08 = 442,246.08 : x - Step 2: Convert to fraction form
804,798.84/1,110,622.08 = 442,246.08/x - Step 3: Cross multiply
804,798.84x = 1,110,622.08 × 442,246.08 - Step 4: Simplify right side
804,798.84x = 491,168,260,817.45 - Step 5: Solve for x
x = 491,168,260,817.45/804,798.84 - Step 6: Final answer
x = 610,299.42
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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.