Finding the Fourth Proportional to 527,190.06, 727,525.78 and 285,472.63
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Solution
The fourth proportional to 527,190.06, 727,525.78 and 285,472.63 is: 393,954.12
Step by Step Solution
- Step 1: Write the proportion equation
527,190.06 : 727,525.78 = 285,472.63 : x - Step 2: Convert to fraction form
527,190.06/727,525.78 = 285,472.63/x - Step 3: Cross multiply
527,190.06x = 727,525.78 × 285,472.63 - Step 4: Simplify right side
527,190.06x = 207,688,697,809.40 - Step 5: Solve for x
x = 207,688,697,809.40/527,190.06 - Step 6: Final answer
x = 393,954.12
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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.