Finding the Fourth Proportional to 689,691.84, 1,034,122.56 and 263,256
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Solution
The fourth proportional to 689,691.84, 1,034,122.56 and 263,256 is: 394,725.52
Step by Step Solution
- Step 1: Write the proportion equation
689,691.84 : 1,034,122.56 = 263,256 : x - Step 2: Convert to fraction form
689,691.84/1,034,122.56 = 263,256/x - Step 3: Cross multiply
689,691.84x = 1,034,122.56 × 263,256 - Step 4: Simplify right side
689,691.84x = 272,238,968,655.36 - Step 5: Solve for x
x = 272,238,968,655.36/689,691.84 - Step 6: Final answer
x = 394,725.52
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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.