Finding the Fourth Proportional to 951,135.36, 1,312,351.20 and 645,253.44
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Solution
The fourth proportional to 951,135.36, 1,312,351.20 and 645,253.44 is: 890,303.49
Step by Step Solution
- Step 1: Write the proportion equation
951,135.36 : 1,312,351.20 = 645,253.44 : x - Step 2: Convert to fraction form
951,135.36/1,312,351.20 = 645,253.44/x - Step 3: Cross multiply
951,135.36x = 1,312,351.20 × 645,253.44 - Step 4: Simplify right side
951,135.36x = 846,799,126,288.13 - Step 5: Solve for x
x = 846,799,126,288.13/951,135.36 - Step 6: Final answer
x = 890,303.49
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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.