Finding the Fourth Proportional to 971,397.56, 1,457,099.07 and 340,163.75
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Solution
The fourth proportional to 971,397.56, 1,457,099.07 and 340,163.75 is: 510,246.58
Step by Step Solution
- Step 1: Write the proportion equation
971,397.56 : 1,457,099.07 = 340,163.75 : x - Step 2: Convert to fraction form
971,397.56/1,457,099.07 = 340,163.75/x - Step 3: Cross multiply
971,397.56x = 1,457,099.07 × 340,163.75 - Step 4: Simplify right side
971,397.56x = 495,652,276,487.22 - Step 5: Solve for x
x = 495,652,276,487.22/971,397.56 - Step 6: Final answer
x = 510,246.58
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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.