Finding the Fourth Proportional to 586,042.88, 808,744.05 and 317,770.88
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Solution
The fourth proportional to 586,042.88, 808,744.05 and 317,770.88 is: 438,526.45
Step by Step Solution
- Step 1: Write the proportion equation
586,042.88 : 808,744.05 = 317,770.88 : x - Step 2: Convert to fraction form
586,042.88/808,744.05 = 317,770.88/x - Step 3: Cross multiply
586,042.88x = 808,744.05 × 317,770.88 - Step 4: Simplify right side
586,042.88x = 256,995,304,419.54 - Step 5: Solve for x
x = 256,995,304,419.54/586,042.88 - Step 6: Final answer
x = 438,526.45
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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.