Finding the Fourth Proportional to 558,457.74, 770,939.37 and 343,781.82
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Solution
The fourth proportional to 558,457.74, 770,939.37 and 343,781.82 is: 474,583.70
Step by Step Solution
- Step 1: Write the proportion equation
558,457.74 : 770,939.37 = 343,781.82 : x - Step 2: Convert to fraction form
558,457.74/770,939.37 = 343,781.82/x - Step 3: Cross multiply
558,457.74x = 770,939.37 × 343,781.82 - Step 4: Simplify right side
558,457.74x = 265,034,939,728.25 - Step 5: Solve for x
x = 265,034,939,728.25/558,457.74 - Step 6: Final answer
x = 474,583.70
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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.