Finding the Fourth Proportional to 643,705.62, 965,726.67 and 373,574.08
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Solution
The fourth proportional to 643,705.62, 965,726.67 and 373,574.08 is: 560,458.76
Step by Step Solution
- Step 1: Write the proportion equation
643,705.62 : 965,726.67 = 373,574.08 : x - Step 2: Convert to fraction form
643,705.62/965,726.67 = 373,574.08/x - Step 3: Cross multiply
643,705.62x = 965,726.67 × 373,574.08 - Step 4: Simplify right side
643,705.62x = 360,770,452,276.71 - Step 5: Solve for x
x = 360,770,452,276.71/643,705.62 - Step 6: Final answer
x = 560,458.76
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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.