Finding the Fourth Proportional to 632,162.24, 872,121.12 and 414,311.36
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Solution
The fourth proportional to 632,162.24, 872,121.12 and 414,311.36 is: 571,577.46
Step by Step Solution
- Step 1: Write the proportion equation
632,162.24 : 872,121.12 = 414,311.36 : x - Step 2: Convert to fraction form
632,162.24/872,121.12 = 414,311.36/x - Step 3: Cross multiply
632,162.24x = 872,121.12 × 414,311.36 - Step 4: Simplify right side
632,162.24x = 361,329,687,311.92 - Step 5: Solve for x
x = 361,329,687,311.92/632,162.24 - Step 6: Final answer
x = 571,577.46
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1.5x scale
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.