Finding the Fourth Proportional to 845,341.12, 1,165,890.53 and 743,148.07
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Solution
The fourth proportional to 845,341.12, 1,165,890.53 and 743,148.07 is: 1,024,946.35
Step by Step Solution
- Step 1: Write the proportion equation
845,341.12 : 1,165,890.53 = 743,148.07 : x - Step 2: Convert to fraction form
845,341.12/1,165,890.53 = 743,148.07/x - Step 3: Cross multiply
845,341.12x = 1,165,890.53 × 743,148.07 - Step 4: Simplify right side
845,341.12x = 866,429,297,200.78 - Step 5: Solve for x
x = 866,429,297,200.78/845,341.12 - Step 6: Final answer
x = 1,024,946.35
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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.