Finding the Fourth Proportional to 847,170.77, 1,168,807.73 and 484,337.75
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Solution
The fourth proportional to 847,170.77, 1,168,807.73 and 484,337.75 is: 668,221.47
Step by Step Solution
- Step 1: Write the proportion equation
847,170.77 : 1,168,807.73 = 484,337.75 : x - Step 2: Convert to fraction form
847,170.77/1,168,807.73 = 484,337.75/x - Step 3: Cross multiply
847,170.77x = 1,168,807.73 × 484,337.75 - Step 4: Simplify right side
847,170.77x = 566,097,697,865.08 - Step 5: Solve for x
x = 566,097,697,865.08/847,170.77 - Step 6: Final answer
x = 668,221.47
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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.