Finding the Fourth Proportional to 962,505.91, 1,443,260.50 and 513,106.07
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Solution
The fourth proportional to 962,505.91, 1,443,260.50 and 513,106.07 is: 769,393.43
Step by Step Solution
- Step 1: Write the proportion equation
962,505.91 : 1,443,260.50 = 513,106.07 : x - Step 2: Convert to fraction form
962,505.91/1,443,260.50 = 513,106.07/x - Step 3: Cross multiply
962,505.91x = 1,443,260.50 × 513,106.07 - Step 4: Simplify right side
962,505.91x = 740,545,725,466.62 - Step 5: Solve for x
x = 740,545,725,466.62/962,505.91 - Step 6: Final answer
x = 769,393.43
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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.