Finding the Fourth Proportional to 519,798.36, 717,327.72 and 304,942.08
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Solution
The fourth proportional to 519,798.36, 717,327.72 and 304,942.08 is: 420,823.58
Step by Step Solution
- Step 1: Write the proportion equation
519,798.36 : 717,327.72 = 304,942.08 : x - Step 2: Convert to fraction form
519,798.36/717,327.72 = 304,942.08/x - Step 3: Cross multiply
519,798.36x = 717,327.72 × 304,942.08 - Step 4: Simplify right side
519,798.36x = 218,743,406,978.46 - Step 5: Solve for x
x = 218,743,406,978.46/519,798.36 - Step 6: Final answer
x = 420,823.58
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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.