Finding the Fourth Proportional to 439,948.26, 606,814.97 and 403,766.33
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Solution
The fourth proportional to 439,948.26, 606,814.97 and 403,766.33 is: 556,909.70
Step by Step Solution
- Step 1: Write the proportion equation
439,948.26 : 606,814.97 = 403,766.33 : x - Step 2: Convert to fraction form
439,948.26/606,814.97 = 403,766.33/x - Step 3: Cross multiply
439,948.26x = 606,814.97 × 403,766.33 - Step 4: Simplify right side
439,948.26x = 245,011,452,924.17 - Step 5: Solve for x
x = 245,011,452,924.17/439,948.26 - Step 6: Final answer
x = 556,909.70
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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.