Finding the Fourth Proportional to 519,782.36, 717,305.64 and 304,926.08
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Solution
The fourth proportional to 519,782.36, 717,305.64 and 304,926.08 is: 420,801.50
Step by Step Solution
- Step 1: Write the proportion equation
519,782.36 : 717,305.64 = 304,926.08 : x - Step 2: Convert to fraction form
519,782.36/717,305.64 = 304,926.08/x - Step 3: Cross multiply
519,782.36x = 717,305.64 × 304,926.08 - Step 4: Simplify right side
519,782.36x = 218,725,196,967.09 - Step 5: Solve for x
x = 218,725,196,967.09/519,782.36 - Step 6: Final answer
x = 420,801.50
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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.