Finding the Fourth Proportional to 530,589.99, 732,131.69 and 304,191.75
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Solution
The fourth proportional to 530,589.99, 732,131.69 and 304,191.75 is: 419,737.32
Step by Step Solution
- Step 1: Write the proportion equation
530,589.99 : 732,131.69 = 304,191.75 : x - Step 2: Convert to fraction form
530,589.99/732,131.69 = 304,191.75/x - Step 3: Cross multiply
530,589.99x = 732,131.69 × 304,191.75 - Step 4: Simplify right side
530,589.99x = 222,708,418,490.60 - Step 5: Solve for x
x = 222,708,418,490.60/530,589.99 - Step 6: Final answer
x = 419,737.32
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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.