Finding the Fourth Proportional to 527,272.04, 727,636.35 and 285,553.91
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Solution
The fourth proportional to 527,272.04, 727,636.35 and 285,553.91 is: 394,064.90
Step by Step Solution
- Step 1: Write the proportion equation
527,272.04 : 727,636.35 = 285,553.91 : x - Step 2: Convert to fraction form
527,272.04/727,636.35 = 285,553.91/x - Step 3: Cross multiply
527,272.04x = 727,636.35 × 285,553.91 - Step 4: Simplify right side
527,272.04x = 207,779,401,162.45 - Step 5: Solve for x
x = 207,779,401,162.45/527,272.04 - Step 6: Final answer
x = 394,064.90
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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.