Finding the Fourth Proportional to 979,395.10, 1,467,356.11 and 835,783.31
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Solution
The fourth proportional to 979,395.10, 1,467,356.11 and 835,783.31 is: 1,252,193.06
Step by Step Solution
- Step 1: Write the proportion equation
979,395.10 : 1,467,356.11 = 835,783.31 : x - Step 2: Convert to fraction form
979,395.10/1,467,356.11 = 835,783.31/x - Step 3: Cross multiply
979,395.10x = 1,467,356.11 × 835,783.31 - Step 4: Simplify right side
979,395.10x = 1,226,391,748,143.46 - Step 5: Solve for x
x = 1,226,391,748,143.46/979,395.10 - Step 6: Final answer
x = 1,252,193.06
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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.