Finding the Fourth Proportional to 749,348.24, 1,124,391.41 and 349,930.96
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Solution
The fourth proportional to 749,348.24, 1,124,391.41 and 349,930.96 is: 525,068.78
Step by Step Solution
- Step 1: Write the proportion equation
749,348.24 : 1,124,391.41 = 349,930.96 : x - Step 2: Convert to fraction form
749,348.24/1,124,391.41 = 349,930.96/x - Step 3: Cross multiply
749,348.24x = 1,124,391.41 × 349,930.96 - Step 4: Simplify right side
749,348.24x = 393,459,360,956.42 - Step 5: Solve for x
x = 393,459,360,956.42/749,348.24 - Step 6: Final answer
x = 525,068.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.