Finding the Fourth Proportional to 540,785.10, 745,487.70 and 425,695.02
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Solution
The fourth proportional to 540,785.10, 745,487.70 and 425,695.02 is: 586,832.74
Step by Step Solution
- Step 1: Write the proportion equation
540,785.10 : 745,487.70 = 425,695.02 : x - Step 2: Convert to fraction form
540,785.10/745,487.70 = 425,695.02/x - Step 3: Cross multiply
540,785.10x = 745,487.70 × 425,695.02 - Step 4: Simplify right side
540,785.10x = 317,350,401,361.25 - Step 5: Solve for x
x = 317,350,401,361.25/540,785.10 - Step 6: Final answer
x = 586,832.74
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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.