Finding the Fourth Proportional to 565,921.99, 781,083.30 and 324,366.49
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Solution
The fourth proportional to 565,921.99, 781,083.30 and 324,366.49 is: 447,689.35
Step by Step Solution
- Step 1: Write the proportion equation
565,921.99 : 781,083.30 = 324,366.49 : x - Step 2: Convert to fraction form
565,921.99/781,083.30 = 324,366.49/x - Step 3: Cross multiply
565,921.99x = 781,083.30 × 324,366.49 - Step 4: Simplify right side
565,921.99x = 253,357,248,418.62 - Step 5: Solve for x
x = 253,357,248,418.62/565,921.99 - Step 6: Final answer
x = 447,689.35
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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.