Finding the Fourth Proportional to 565,005.23, 779,712.96 and 306,884.68
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Solution
The fourth proportional to 565,005.23, 779,712.96 and 306,884.68 is: 423,503.98
Step by Step Solution
- Step 1: Write the proportion equation
565,005.23 : 779,712.96 = 306,884.68 : x - Step 2: Convert to fraction form
565,005.23/779,712.96 = 306,884.68/x - Step 3: Cross multiply
565,005.23x = 779,712.96 × 306,884.68 - Step 4: Simplify right side
565,005.23x = 239,281,964,082.65 - Step 5: Solve for x
x = 239,281,964,082.65/565,005.23 - Step 6: Final answer
x = 423,503.98
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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.