Finding the Fourth Proportional to 680,741.66, 939,415.73 and 374,811.65
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Solution
The fourth proportional to 680,741.66, 939,415.73 and 374,811.65 is: 517,235.80
Step by Step Solution
- Step 1: Write the proportion equation
680,741.66 : 939,415.73 = 374,811.65 : x - Step 2: Convert to fraction form
680,741.66/939,415.73 = 374,811.65/x - Step 3: Cross multiply
680,741.66x = 939,415.73 × 374,811.65 - Step 4: Simplify right side
680,741.66x = 352,103,953,226.12 - Step 5: Solve for x
x = 352,103,953,226.12/680,741.66 - Step 6: Final answer
x = 517,235.80
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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.