Finding the Fourth Proportional to 968,201.48, 1,336,167.42 and 538,490
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Solution
The fourth proportional to 968,201.48, 1,336,167.42 and 538,490 is: 743,143.66
Step by Step Solution
- Step 1: Write the proportion equation
968,201.48 : 1,336,167.42 = 538,490 : x - Step 2: Convert to fraction form
968,201.48/1,336,167.42 = 538,490/x - Step 3: Cross multiply
968,201.48x = 1,336,167.42 × 538,490 - Step 4: Simplify right side
968,201.48x = 719,512,793,995.80 - Step 5: Solve for x
x = 719,512,793,995.80/968,201.48 - Step 6: Final answer
x = 743,143.66
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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.