Finding the Fourth Proportional to 586,359.84, 809,178.14 and 318,087.84
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Solution
The fourth proportional to 586,359.84, 809,178.14 and 318,087.84 is: 438,962.07
Step by Step Solution
- Step 1: Write the proportion equation
586,359.84 : 809,178.14 = 318,087.84 : x - Step 2: Convert to fraction form
586,359.84/809,178.14 = 318,087.84/x - Step 3: Cross multiply
586,359.84x = 809,178.14 × 318,087.84 - Step 4: Simplify right side
586,359.84x = 257,389,726,727.82 - Step 5: Solve for x
x = 257,389,726,727.82/586,359.84 - Step 6: Final answer
x = 438,962.07
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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.