Finding the Fourth Proportional to 523,989.19, 723,105.08 and 285,525.19
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Solution
The fourth proportional to 523,989.19, 723,105.08 and 285,525.19 is: 394,024.76
Step by Step Solution
- Step 1: Write the proportion equation
523,989.19 : 723,105.08 = 285,525.19 : x - Step 2: Convert to fraction form
523,989.19/723,105.08 = 285,525.19/x - Step 3: Cross multiply
523,989.19x = 723,105.08 × 285,525.19 - Step 4: Simplify right side
523,989.19x = 206,464,713,192.30 - Step 5: Solve for x
x = 206,464,713,192.30/523,989.19 - Step 6: Final answer
x = 394,024.76
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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.