Finding the Fourth Proportional to 466,856.04, 642,905.42 and 405,574.26
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Solution
The fourth proportional to 466,856.04, 642,905.42 and 405,574.26 is: 558,514.55
Step by Step Solution
- Step 1: Write the proportion equation
466,856.04 : 642,905.42 = 405,574.26 : x - Step 2: Convert to fraction form
466,856.04/642,905.42 = 405,574.26/x - Step 3: Cross multiply
466,856.04x = 642,905.42 × 405,574.26 - Step 4: Simplify right side
466,856.04x = 260,745,889,966.49 - Step 5: Solve for x
x = 260,745,889,966.49/466,856.04 - Step 6: Final answer
x = 558,514.55
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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.