Finding the Fourth Proportional to 807,867.58, 1,114,864.68 and 445,305.34
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Solution
The fourth proportional to 807,867.58, 1,114,864.68 and 445,305.34 is: 614,525.46
Step by Step Solution
- Step 1: Write the proportion equation
807,867.58 : 1,114,864.68 = 445,305.34 : x - Step 2: Convert to fraction form
807,867.58/1,114,864.68 = 445,305.34/x - Step 3: Cross multiply
807,867.58x = 1,114,864.68 × 445,305.34 - Step 4: Simplify right side
807,867.58x = 496,455,195,381.39 - Step 5: Solve for x
x = 496,455,195,381.39/807,867.58 - Step 6: Final answer
x = 614,525.46
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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.