Finding the Fourth Proportional to 586,588.23, 809,491.75 and 318,316.23
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Solution
The fourth proportional to 586,588.23, 809,491.75 and 318,316.23 is: 439,276.39
Step by Step Solution
- Step 1: Write the proportion equation
586,588.23 : 809,491.75 = 318,316.23 : x - Step 2: Convert to fraction form
586,588.23/809,491.75 = 318,316.23/x - Step 3: Cross multiply
586,588.23x = 809,491.75 × 318,316.23 - Step 4: Simplify right side
586,588.23x = 257,674,361,280.31 - Step 5: Solve for x
x = 257,674,361,280.31/586,588.23 - Step 6: Final answer
x = 439,276.39
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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.