Finding the Fourth Proportional to 803,383.28, 1,108,668.36 and 440,809.28
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Solution
The fourth proportional to 803,383.28, 1,108,668.36 and 440,809.28 is: 608,316.50
Step by Step Solution
- Step 1: Write the proportion equation
803,383.28 : 1,108,668.36 = 440,809.28 : x - Step 2: Convert to fraction form
803,383.28/1,108,668.36 = 440,809.28/x - Step 3: Cross multiply
803,383.28x = 1,108,668.36 × 440,809.28 - Step 4: Simplify right side
803,383.28x = 488,711,301,530.38 - Step 5: Solve for x
x = 488,711,301,530.38/803,383.28 - Step 6: Final answer
x = 608,316.50
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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.