Finding the Fourth Proportional to 698,235.26, 963,565.47 and 396,429.26
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Solution
The fourth proportional to 698,235.26, 963,565.47 and 396,429.26 is: 547,072.84
Step by Step Solution
- Step 1: Write the proportion equation
698,235.26 : 963,565.47 = 396,429.26 : x - Step 2: Convert to fraction form
698,235.26/963,565.47 = 396,429.26/x - Step 3: Cross multiply
698,235.26x = 963,565.47 × 396,429.26 - Step 4: Simplify right side
698,235.26x = 381,985,541,415.83 - Step 5: Solve for x
x = 381,985,541,415.83/698,235.26 - Step 6: Final answer
x = 547,072.84
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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.