Finding the Fourth Proportional to 912,529.13, 1,368,695.10 and 305,248.60
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Solution
The fourth proportional to 912,529.13, 1,368,695.10 and 305,248.60 is: 457,839.92
Step by Step Solution
- Step 1: Write the proportion equation
912,529.13 : 1,368,695.10 = 305,248.60 : x - Step 2: Convert to fraction form
912,529.13/1,368,695.10 = 305,248.60/x - Step 3: Cross multiply
912,529.13x = 1,368,695.10 × 305,248.60 - Step 4: Simplify right side
912,529.13x = 417,792,265,957.41 - Step 5: Solve for x
x = 417,792,265,957.41/912,529.13 - Step 6: Final answer
x = 457,839.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.