Finding the Fourth Proportional to 586,668.12, 809,602.34 and 318,396.12
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Solution
The fourth proportional to 586,668.12, 809,602.34 and 318,396.12 is: 439,386.82
Step by Step Solution
- Step 1: Write the proportion equation
586,668.12 : 809,602.34 = 318,396.12 : x - Step 2: Convert to fraction form
586,668.12/809,602.34 = 318,396.12/x - Step 3: Cross multiply
586,668.12x = 809,602.34 × 318,396.12 - Step 4: Simplify right side
586,668.12x = 257,774,242,206.94 - Step 5: Solve for x
x = 257,774,242,206.94/586,668.12 - Step 6: Final answer
x = 439,386.82
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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.