Finding the Fourth Proportional to 858,742.02, 1,185,117.48 and 476,775.18
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Solution
The fourth proportional to 858,742.02, 1,185,117.48 and 476,775.18 is: 657,979.45
Step by Step Solution
- Step 1: Write the proportion equation
858,742.02 : 1,185,117.48 = 476,775.18 : x - Step 2: Convert to fraction form
858,742.02/1,185,117.48 = 476,775.18/x - Step 3: Cross multiply
858,742.02x = 1,185,117.48 × 476,775.18 - Step 4: Simplify right side
858,742.02x = 565,034,599,848.15 - Step 5: Solve for x
x = 565,034,599,848.15/858,742.02 - Step 6: Final answer
x = 657,979.45
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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.