Finding the Fourth Proportional to 689,761.58, 952,135.80 and 518,177.26
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Solution
The fourth proportional to 689,761.58, 952,135.80 and 518,177.26 is: 715,283.56
Step by Step Solution
- Step 1: Write the proportion equation
689,761.58 : 952,135.80 = 518,177.26 : x - Step 2: Convert to fraction form
689,761.58/952,135.80 = 518,177.26/x - Step 3: Cross multiply
689,761.58x = 952,135.80 × 518,177.26 - Step 4: Simplify right side
689,761.58x = 493,375,119,991.91 - Step 5: Solve for x
x = 493,375,119,991.91/689,761.58 - Step 6: Final answer
x = 715,283.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.