Finding the Fourth Proportional to 527,802.30, 728,464.68 and 301,447.80
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Solution
The fourth proportional to 527,802.30, 728,464.68 and 301,447.80 is: 416,053.65
Step by Step Solution
- Step 1: Write the proportion equation
527,802.30 : 728,464.68 = 301,447.80 : x - Step 2: Convert to fraction form
527,802.30/728,464.68 = 301,447.80/x - Step 3: Cross multiply
527,802.30x = 728,464.68 × 301,447.80 - Step 4: Simplify right side
527,802.30x = 219,594,075,163.70 - Step 5: Solve for x
x = 219,594,075,163.70/527,802.30 - Step 6: Final answer
x = 416,053.65
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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.