Finding the Fourth Proportional to 914,756.34, 1,373,391.21 and 465,778.74
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Solution
The fourth proportional to 914,756.34, 1,373,391.21 and 465,778.74 is: 699,308.00
Step by Step Solution
- Step 1: Write the proportion equation
914,756.34 : 1,373,391.21 = 465,778.74 : x - Step 2: Convert to fraction form
914,756.34/1,373,391.21 = 465,778.74/x - Step 3: Cross multiply
914,756.34x = 1,373,391.21 × 465,778.74 - Step 4: Simplify right side
914,756.34x = 639,696,427,320.88 - Step 5: Solve for x
x = 639,696,427,320.88/914,756.34 - Step 6: Final answer
x = 699,308.00
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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.