Finding the Fourth Proportional to 536,441.07, 740,293.68 and 294,728.65
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Solution
The fourth proportional to 536,441.07, 740,293.68 and 294,728.65 is: 406,728.29
Step by Step Solution
- Step 1: Write the proportion equation
536,441.07 : 740,293.68 = 294,728.65 : x - Step 2: Convert to fraction form
536,441.07/740,293.68 = 294,728.65/x - Step 3: Cross multiply
536,441.07x = 740,293.68 × 294,728.65 - Step 4: Simplify right side
536,441.07x = 218,185,756,909.93 - Step 5: Solve for x
x = 218,185,756,909.93/536,441.07 - Step 6: Final answer
x = 406,728.29
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1.5x scale
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.