Finding the Fourth Proportional to 586,555.74, 809,444.07 and 318,283.74
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Solution
The fourth proportional to 586,555.74, 809,444.07 and 318,283.74 is: 439,230.01
Step by Step Solution
- Step 1: Write the proportion equation
586,555.74 : 809,444.07 = 318,283.74 : x - Step 2: Convert to fraction form
586,555.74/809,444.07 = 318,283.74/x - Step 3: Cross multiply
586,555.74x = 809,444.07 × 318,283.74 - Step 4: Simplify right side
586,555.74x = 257,632,885,920.42 - Step 5: Solve for x
x = 257,632,885,920.42/586,555.74 - Step 6: Final answer
x = 439,230.01
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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.