Finding the Fourth Proportional to 695,930.13, 960,367.86 and 405,523.71
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Solution
The fourth proportional to 695,930.13, 960,367.86 and 405,523.71 is: 559,613.56
Step by Step Solution
- Step 1: Write the proportion equation
695,930.13 : 960,367.86 = 405,523.71 : x - Step 2: Convert to fraction form
695,930.13/960,367.86 = 405,523.71/x - Step 3: Cross multiply
695,930.13x = 960,367.86 × 405,523.71 - Step 4: Simplify right side
695,930.13x = 389,451,937,551.96 - Step 5: Solve for x
x = 389,451,937,551.96/695,930.13 - Step 6: Final answer
x = 559,613.56
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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.