Finding the Fourth Proportional to 576,639.62, 795,746.45 and 318,511.42
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Solution
The fourth proportional to 576,639.62, 795,746.45 and 318,511.42 is: 439,536.80
Step by Step Solution
- Step 1: Write the proportion equation
576,639.62 : 795,746.45 = 318,511.42 : x - Step 2: Convert to fraction form
576,639.62/795,746.45 = 318,511.42/x - Step 3: Cross multiply
576,639.62x = 795,746.45 × 318,511.42 - Step 4: Simplify right side
576,639.62x = 253,454,331,749.46 - Step 5: Solve for x
x = 253,454,331,749.46/576,639.62 - Step 6: Final answer
x = 439,536.80
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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.