Finding the Fourth Proportional to 652,696.74, 979,761.09 and 518,622.69
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Solution
The fourth proportional to 652,696.74, 979,761.09 and 518,622.69 is: 778,502.94
Step by Step Solution
- Step 1: Write the proportion equation
652,696.74 : 979,761.09 = 518,622.69 : x - Step 2: Convert to fraction form
652,696.74/979,761.09 = 518,622.69/x - Step 3: Cross multiply
652,696.74x = 979,761.09 × 518,622.69 - Step 4: Simplify right side
652,696.74x = 508,126,332,053.13 - Step 5: Solve for x
x = 508,126,332,053.13/652,696.74 - Step 6: Final answer
x = 778,502.94
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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.