Finding the Fourth Proportional to 874,645.26, 1,312,152 and 495,747.54
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Solution
The fourth proportional to 874,645.26, 1,312,152 and 495,747.54 is: 743,725.66
Step by Step Solution
- Step 1: Write the proportion equation
874,645.26 : 1,312,152 = 495,747.54 : x - Step 2: Convert to fraction form
874,645.26/1,312,152 = 495,747.54/x - Step 3: Cross multiply
874,645.26x = 1,312,152 × 495,747.54 - Step 4: Simplify right side
874,645.26x = 650,496,126,106.08 - Step 5: Solve for x
x = 650,496,126,106.08/874,645.26 - Step 6: Final answer
x = 743,725.66
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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.