Finding the Fourth Proportional to 728,766.02, 1,005,698.87 and 406,496.99
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Solution
The fourth proportional to 728,766.02, 1,005,698.87 and 406,496.99 is: 560,966.82
Step by Step Solution
- Step 1: Write the proportion equation
728,766.02 : 1,005,698.87 = 406,496.99 : x - Step 2: Convert to fraction form
728,766.02/1,005,698.87 = 406,496.99/x - Step 3: Cross multiply
728,766.02x = 1,005,698.87 × 406,496.99 - Step 4: Simplify right side
728,766.02x = 408,813,556,440.42 - Step 5: Solve for x
x = 408,813,556,440.42/728,766.02 - Step 6: Final answer
x = 560,966.82
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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.