Finding the Fourth Proportional to 527,309.95, 727,684.11 and 285,587.00
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Solution
The fourth proportional to 527,309.95, 727,684.11 and 285,587.00 is: 394,108.09
Step by Step Solution
- Step 1: Write the proportion equation
527,309.95 : 727,684.11 = 285,587.00 : x - Step 2: Convert to fraction form
527,309.95/727,684.11 = 285,587.00/x - Step 3: Cross multiply
527,309.95x = 727,684.11 × 285,587.00 - Step 4: Simplify right side
527,309.95x = 207,817,118,284.15 - Step 5: Solve for x
x = 207,817,118,284.15/527,309.95 - Step 6: Final answer
x = 394,108.09
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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.