Finding the Fourth Proportional to 1,509,490.85, 2,263,634.85 and 498,331.40
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Solution
The fourth proportional to 1,509,490.85, 2,263,634.85 and 498,331.40 is: 747,298.55
Step by Step Solution
- Step 1: Write the proportion equation
1,509,490.85 : 2,263,634.85 = 498,331.40 : x - Step 2: Convert to fraction form
1,509,490.85/2,263,634.85 = 498,331.40/x - Step 3: Cross multiply
1,509,490.85x = 2,263,634.85 × 498,331.40 - Step 4: Simplify right side
1,509,490.85x = 1,128,040,323,889.29 - Step 5: Solve for x
x = 1,128,040,323,889.29/1,509,490.85 - Step 6: Final answer
x = 747,298.55
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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.