Finding the Fourth Proportional to 574,943.92, 787,676.01 and 553,395.48
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Solution
The fourth proportional to 574,943.92, 787,676.01 and 553,395.48 is: 758,154.54
Step by Step Solution
- Step 1: Write the proportion equation
574,943.92 : 787,676.01 = 553,395.48 : x - Step 2: Convert to fraction form
574,943.92/787,676.01 = 553,395.48/x - Step 3: Cross multiply
574,943.92x = 787,676.01 × 553,395.48 - Step 4: Simplify right side
574,943.92x = 435,896,343,638.44 - Step 5: Solve for x
x = 435,896,343,638.44/574,943.92 - Step 6: Final answer
x = 758,154.54
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.