Finding the Fourth Proportional to 753,747.10, 1,130,470.23 and 369,330.82
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Solution
The fourth proportional to 753,747.10, 1,130,470.23 and 369,330.82 is: 553,922.53
Step by Step Solution
- Step 1: Write the proportion equation
753,747.10 : 1,130,470.23 = 369,330.82 : x - Step 2: Convert to fraction form
753,747.10/1,130,470.23 = 369,330.82/x - Step 3: Cross multiply
753,747.10x = 1,130,470.23 × 369,330.82 - Step 4: Simplify right side
753,747.10x = 417,517,497,031.49 - Step 5: Solve for x
x = 417,517,497,031.49/753,747.10 - Step 6: Final answer
x = 553,922.53
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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.