Finding the Fourth Proportional to 928,909.08, 1,281,879.12 and 541,949.49
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Solution
The fourth proportional to 928,909.08, 1,281,879.12 and 541,949.49 is: 747,881.31
Step by Step Solution
- Step 1: Write the proportion equation
928,909.08 : 1,281,879.12 = 541,949.49 : x - Step 2: Convert to fraction form
928,909.08/1,281,879.12 = 541,949.49/x - Step 3: Cross multiply
928,909.08x = 1,281,879.12 × 541,949.49 - Step 4: Simplify right side
928,909.08x = 694,713,735,325.65 - Step 5: Solve for x
x = 694,713,735,325.65/928,909.08 - Step 6: Final answer
x = 747,881.31
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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.