Finding the Fourth Proportional to 1,348,801.70, 2,023,202.55 and 351,529.70
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Solution
The fourth proportional to 1,348,801.70, 2,023,202.55 and 351,529.70 is: 527,294.55
Step by Step Solution
- Step 1: Write the proportion equation
1,348,801.70 : 2,023,202.55 = 351,529.70 : x - Step 2: Convert to fraction form
1,348,801.70/2,023,202.55 = 351,529.70/x - Step 3: Cross multiply
1,348,801.70x = 2,023,202.55 × 351,529.70 - Step 4: Simplify right side
1,348,801.70x = 711,215,785,440.74 - Step 5: Solve for x
x = 711,215,785,440.74/1,348,801.70 - Step 6: Final answer
x = 527,294.55
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1.5x scale
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.