Finding the Fourth Proportional to 731,621.36, 1,009,730.04 and 445,124.24
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Solution
The fourth proportional to 731,621.36, 1,009,730.04 and 445,124.24 is: 614,327.77
Step by Step Solution
- Step 1: Write the proportion equation
731,621.36 : 1,009,730.04 = 445,124.24 : x - Step 2: Convert to fraction form
731,621.36/1,009,730.04 = 445,124.24/x - Step 3: Cross multiply
731,621.36x = 1,009,730.04 × 445,124.24 - Step 4: Simplify right side
731,621.36x = 449,455,316,660.17 - Step 5: Solve for x
x = 449,455,316,660.17/731,621.36 - Step 6: Final answer
x = 614,327.77
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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.