Finding the Fourth Proportional to 626,521.74, 864,578.04 and 340,036.08
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Solution
The fourth proportional to 626,521.74, 864,578.04 and 340,036.08 is: 469,237.87
Step by Step Solution
- Step 1: Write the proportion equation
626,521.74 : 864,578.04 = 340,036.08 : x - Step 2: Convert to fraction form
626,521.74/864,578.04 = 340,036.08/x - Step 3: Cross multiply
626,521.74x = 864,578.04 × 340,036.08 - Step 4: Simplify right side
626,521.74x = 293,987,727,575.68 - Step 5: Solve for x
x = 293,987,727,575.68/626,521.74 - Step 6: Final answer
x = 469,237.87
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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.