Finding the Fourth Proportional to 628,228.05, 866,929.53 and 341,741.99
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Solution
The fourth proportional to 628,228.05, 866,929.53 and 341,741.99 is: 471,590.25
Step by Step Solution
- Step 1: Write the proportion equation
628,228.05 : 866,929.53 = 341,741.99 : x - Step 2: Convert to fraction form
628,228.05/866,929.53 = 341,741.99/x - Step 3: Cross multiply
628,228.05x = 866,929.53 × 341,741.99 - Step 4: Simplify right side
628,228.05x = 296,266,221,344.34 - Step 5: Solve for x
x = 296,266,221,344.34/628,228.05 - Step 6: Final answer
x = 471,590.25
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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.