Finding the Fourth Proportional to 687,973.32, 949,371.36 and 382,069.32
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Solution
The fourth proportional to 687,973.32, 949,371.36 and 382,069.32 is: 527,237.99
Step by Step Solution
- Step 1: Write the proportion equation
687,973.32 : 949,371.36 = 382,069.32 : x - Step 2: Convert to fraction form
687,973.32/949,371.36 = 382,069.32/x - Step 3: Cross multiply
687,973.32x = 949,371.36 × 382,069.32 - Step 4: Simplify right side
687,973.32x = 362,725,669,942.68 - Step 5: Solve for x
x = 362,725,669,942.68/687,973.32 - Step 6: Final answer
x = 527,237.99
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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.