Finding the Fourth Proportional to 858,752.16, 1,185,023.14 and 476,778.84
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Solution
The fourth proportional to 858,752.16, 1,185,023.14 and 476,778.84 is: 657,924.35
Step by Step Solution
- Step 1: Write the proportion equation
858,752.16 : 1,185,023.14 = 476,778.84 : x - Step 2: Convert to fraction form
858,752.16/1,185,023.14 = 476,778.84/x - Step 3: Cross multiply
858,752.16x = 1,185,023.14 × 476,778.84 - Step 4: Simplify right side
858,752.16x = 564,993,958,062.36 - Step 5: Solve for x
x = 564,993,958,062.36/858,752.16 - Step 6: Final answer
x = 657,924.35
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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.