Finding the Fourth Proportional to 527,891.68, 728,494.26 and 286,178.06
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Solution
The fourth proportional to 527,891.68, 728,494.26 and 286,178.06 is: 394,927.75
Step by Step Solution
- Step 1: Write the proportion equation
527,891.68 : 728,494.26 = 286,178.06 : x - Step 2: Convert to fraction form
527,891.68/728,494.26 = 286,178.06/x - Step 3: Cross multiply
527,891.68x = 728,494.26 × 286,178.06 - Step 4: Simplify right side
527,891.68x = 208,479,074,796.00 - Step 5: Solve for x
x = 208,479,074,796.00/527,891.68 - Step 6: Final answer
x = 394,927.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.