Finding the Fourth Proportional to 768,502.26, 1,151,965.80 and 319,483.62
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Solution
The fourth proportional to 768,502.26, 1,151,965.80 and 319,483.62 is: 478,898.01
Step by Step Solution
- Step 1: Write the proportion equation
768,502.26 : 1,151,965.80 = 319,483.62 : x - Step 2: Convert to fraction form
768,502.26/1,151,965.80 = 319,483.62/x - Step 3: Cross multiply
768,502.26x = 1,151,965.80 × 319,483.62 - Step 4: Simplify right side
768,502.26x = 368,034,203,900.20 - Step 5: Solve for x
x = 368,034,203,900.20/768,502.26 - Step 6: Final answer
x = 478,898.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.