Finding the Fourth Proportional to 586,591.23, 809,495.88 and 318,319.23
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Solution
The fourth proportional to 586,591.23, 809,495.88 and 318,319.23 is: 439,280.53
Step by Step Solution
- Step 1: Write the proportion equation
586,591.23 : 809,495.88 = 318,319.23 : x - Step 2: Convert to fraction form
586,591.23/809,495.88 = 318,319.23/x - Step 3: Cross multiply
586,591.23x = 809,495.88 × 318,319.23 - Step 4: Simplify right side
586,591.23x = 257,678,105,209.77 - Step 5: Solve for x
x = 257,678,105,209.77/586,591.23 - Step 6: Final answer
x = 439,280.53
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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.