Finding the Fourth Proportional to 1,495,394.80, 2,243,383.80 and 642,464.80
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Solution
The fourth proportional to 1,495,394.80, 2,243,383.80 and 642,464.80 is: 963,822.48
Step by Step Solution
- Step 1: Write the proportion equation
1,495,394.80 : 2,243,383.80 = 642,464.80 : x - Step 2: Convert to fraction form
1,495,394.80/2,243,383.80 = 642,464.80/x - Step 3: Cross multiply
1,495,394.80x = 2,243,383.80 × 642,464.80 - Step 4: Simplify right side
1,495,394.80x = 1,441,295,124,390.24 - Step 5: Solve for x
x = 1,441,295,124,390.24/1,495,394.80 - Step 6: Final answer
x = 963,822.48
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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.