Finding the Fourth Proportional to 586,584.92, 809,487.18 and 318,312.92
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Solution
The fourth proportional to 586,584.92, 809,487.18 and 318,312.92 is: 439,271.82
Step by Step Solution
- Step 1: Write the proportion equation
586,584.92 : 809,487.18 = 318,312.92 : x - Step 2: Convert to fraction form
586,584.92/809,487.18 = 318,312.92/x - Step 3: Cross multiply
586,584.92x = 809,487.18 × 318,312.92 - Step 4: Simplify right side
586,584.92x = 257,670,227,968.37 - Step 5: Solve for x
x = 257,670,227,968.37/586,584.92 - Step 6: Final answer
x = 439,271.82
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1.5x scale
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.