Finding the Fourth Proportional to 645,044.52, 967,440.42 and 613,039.08
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Solution
The fourth proportional to 645,044.52, 967,440.42 and 613,039.08 is: 919,438.53
Step by Step Solution
- Step 1: Write the proportion equation
645,044.52 : 967,440.42 = 613,039.08 : x - Step 2: Convert to fraction form
645,044.52/967,440.42 = 613,039.08/x - Step 3: Cross multiply
645,044.52x = 967,440.42 × 613,039.08 - Step 4: Simplify right side
645,044.52x = 593,078,785,031.61 - Step 5: Solve for x
x = 593,078,785,031.61/645,044.52 - Step 6: Final answer
x = 919,438.53
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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.