Finding the Fourth Proportional to 665,425.36, 998,848.41 and 286,533.69
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Solution
The fourth proportional to 665,425.36, 998,848.41 and 286,533.69 is: 430,106.42
Step by Step Solution
- Step 1: Write the proportion equation
665,425.36 : 998,848.41 = 286,533.69 : x - Step 2: Convert to fraction form
665,425.36/998,848.41 = 286,533.69/x - Step 3: Cross multiply
665,425.36x = 998,848.41 × 286,533.69 - Step 4: Simplify right side
665,425.36x = 286,203,720,667.93 - Step 5: Solve for x
x = 286,203,720,667.93/665,425.36 - Step 6: Final answer
x = 430,106.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.