Finding the Fourth Proportional to 1,028,078.80, 1,541,024.70 and 495,252.70
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Solution
The fourth proportional to 1,028,078.80, 1,541,024.70 and 495,252.70 is: 742,352.28
Step by Step Solution
- Step 1: Write the proportion equation
1,028,078.80 : 1,541,024.70 = 495,252.70 : x - Step 2: Convert to fraction form
1,028,078.80/1,541,024.70 = 495,252.70/x - Step 3: Cross multiply
1,028,078.80x = 1,541,024.70 × 495,252.70 - Step 4: Simplify right side
1,028,078.80x = 763,196,643,441.69 - Step 5: Solve for x
x = 763,196,643,441.69/1,028,078.80 - Step 6: Final answer
x = 742,352.28
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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.