Finding the Fourth Proportional to 527,197.60, 727,536.14 and 285,480.18
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Solution
The fourth proportional to 527,197.60, 727,536.14 and 285,480.18 is: 393,964.52
Step by Step Solution
- Step 1: Write the proportion equation
527,197.60 : 727,536.14 = 285,480.18 : x - Step 2: Convert to fraction form
527,197.60/727,536.14 = 285,480.18/x - Step 3: Cross multiply
527,197.60x = 727,536.14 × 285,480.18 - Step 4: Simplify right side
527,197.60x = 207,697,148,203.71 - Step 5: Solve for x
x = 207,697,148,203.71/527,197.60 - Step 6: Final answer
x = 393,964.52
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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.