Finding the Fourth Proportional to 527,065.08, 727,351.08 and 285,350.28
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Solution
The fourth proportional to 527,065.08, 727,351.08 and 285,350.28 is: 393,784.07
Step by Step Solution
- Step 1: Write the proportion equation
527,065.08 : 727,351.08 = 285,350.28 : x - Step 2: Convert to fraction form
527,065.08/727,351.08 = 285,350.28/x - Step 3: Cross multiply
527,065.08x = 727,351.08 × 285,350.28 - Step 4: Simplify right side
527,065.08x = 207,549,834,336.30 - Step 5: Solve for x
x = 207,549,834,336.30/527,065.08 - Step 6: Final answer
x = 393,784.07
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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.