Finding the Fourth Proportional to 693,048.35, 957,342.81 and 522,257.31
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Solution
The fourth proportional to 693,048.35, 957,342.81 and 522,257.31 is: 721,420.50
Step by Step Solution
- Step 1: Write the proportion equation
693,048.35 : 957,342.81 = 522,257.31 : x - Step 2: Convert to fraction form
693,048.35/957,342.81 = 522,257.31/x - Step 3: Cross multiply
693,048.35x = 957,342.81 × 522,257.31 - Step 4: Simplify right side
693,048.35x = 499,979,280,698.44 - Step 5: Solve for x
x = 499,979,280,698.44/693,048.35 - Step 6: Final answer
x = 721,420.50
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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.