Finding the Fourth Proportional to 586,587.94, 809,491.35 and 318,315.94
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Solution
The fourth proportional to 586,587.94, 809,491.35 and 318,315.94 is: 439,275.99
Step by Step Solution
- Step 1: Write the proportion equation
586,587.94 : 809,491.35 = 318,315.94 : x - Step 2: Convert to fraction form
586,587.94/809,491.35 = 318,315.94/x - Step 3: Cross multiply
586,587.94x = 809,491.35 × 318,315.94 - Step 4: Simplify right side
586,587.94x = 257,673,999,167.08 - Step 5: Solve for x
x = 257,673,999,167.08/586,587.94 - Step 6: Final answer
x = 439,275.99
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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.