Finding the Fourth Proportional to 586,598.80, 809,506.26 and 318,326.80
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Solution
The fourth proportional to 586,598.80, 809,506.26 and 318,326.80 is: 439,290.94
Step by Step Solution
- Step 1: Write the proportion equation
586,598.80 : 809,506.26 = 318,326.80 : x - Step 2: Convert to fraction form
586,598.80/809,506.26 = 318,326.80/x - Step 3: Cross multiply
586,598.80x = 809,506.26 × 318,326.80 - Step 4: Simplify right side
586,598.80x = 257,687,537,325.77 - Step 5: Solve for x
x = 257,687,537,325.77/586,598.80 - Step 6: Final answer
x = 439,290.94
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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.