Finding the Fourth Proportional to 586,610.19, 809,522.06 and 318,338.19
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Solution
The fourth proportional to 586,610.19, 809,522.06 and 318,338.19 is: 439,306.70
Step by Step Solution
- Step 1: Write the proportion equation
586,610.19 : 809,522.06 = 318,338.19 : x - Step 2: Convert to fraction form
586,610.19/809,522.06 = 318,338.19/x - Step 3: Cross multiply
586,610.19x = 809,522.06 × 318,338.19 - Step 4: Simplify right side
586,610.19x = 257,701,787,345.47 - Step 5: Solve for x
x = 257,701,787,345.47/586,610.19 - Step 6: Final answer
x = 439,306.70
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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.