Finding the Fourth Proportional to 551,201.70, 826,802.55 and 457,889.70
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Solution
The fourth proportional to 551,201.70, 826,802.55 and 457,889.70 is: 686,834.55
Step by Step Solution
- Step 1: Write the proportion equation
551,201.70 : 826,802.55 = 457,889.70 : x - Step 2: Convert to fraction form
551,201.70/826,802.55 = 457,889.70/x - Step 3: Cross multiply
551,201.70x = 826,802.55 × 457,889.70 - Step 4: Simplify right side
551,201.70x = 378,584,371,578.74 - Step 5: Solve for x
x = 378,584,371,578.74/551,201.70 - Step 6: Final answer
x = 686,834.55
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1.5x scale
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.