Finding the Fourth Proportional to 847,048.19, 1,168,923.10 and 484,471.53
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Solution
The fourth proportional to 847,048.19, 1,168,923.10 and 484,471.53 is: 668,568.77
Step by Step Solution
- Step 1: Write the proportion equation
847,048.19 : 1,168,923.10 = 484,471.53 : x - Step 2: Convert to fraction form
847,048.19/1,168,923.10 = 484,471.53/x - Step 3: Cross multiply
847,048.19x = 1,168,923.10 × 484,471.53 - Step 4: Simplify right side
847,048.19x = 566,309,962,406.55 - Step 5: Solve for x
x = 566,309,962,406.55/847,048.19 - Step 6: Final answer
x = 668,568.77
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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.