Finding the Fourth Proportional to 748,386.87, 1,031,560.61 and 584,757.28
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Solution
The fourth proportional to 748,386.87, 1,031,560.61 and 584,757.28 is: 806,017.05
Step by Step Solution
- Step 1: Write the proportion equation
748,386.87 : 1,031,560.61 = 584,757.28 : x - Step 2: Convert to fraction form
748,386.87/1,031,560.61 = 584,757.28/x - Step 3: Cross multiply
748,386.87x = 1,031,560.61 × 584,757.28 - Step 4: Simplify right side
748,386.87x = 603,212,576,458.74 - Step 5: Solve for x
x = 603,212,576,458.74/748,386.87 - Step 6: Final answer
x = 806,017.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.