Finding the Fourth Proportional to 847,017.09, 1,168,550.19 and 484,246.05
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Solution
The fourth proportional to 847,017.09, 1,168,550.19 and 484,246.05 is: 668,068.95
Step by Step Solution
- Step 1: Write the proportion equation
847,017.09 : 1,168,550.19 = 484,246.05 : x - Step 2: Convert to fraction form
847,017.09/1,168,550.19 = 484,246.05/x - Step 3: Cross multiply
847,017.09x = 1,168,550.19 × 484,246.05 - Step 4: Simplify right side
847,017.09x = 565,865,813,734.25 - Step 5: Solve for x
x = 565,865,813,734.25/847,017.09 - Step 6: Final answer
x = 668,068.95
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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.