Finding the Fourth Proportional to 565,008.13, 779,716.95 and 306,887.57
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Solution
The fourth proportional to 565,008.13, 779,716.95 and 306,887.57 is: 423,507.96
Step by Step Solution
- Step 1: Write the proportion equation
565,008.13 : 779,716.95 = 306,887.57 : x - Step 2: Convert to fraction form
565,008.13/779,716.95 = 306,887.57/x - Step 3: Cross multiply
565,008.13x = 779,716.95 × 306,887.57 - Step 4: Simplify right side
565,008.13x = 239,285,440,073.31 - Step 5: Solve for x
x = 239,285,440,073.31/565,008.13 - Step 6: Final answer
x = 423,507.96
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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.