Finding the Fourth Proportional to 562,438.62, 776,163.87 and 307,787.58
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Solution
The fourth proportional to 562,438.62, 776,163.87 and 307,787.58 is: 424,746.08
Step by Step Solution
- Step 1: Write the proportion equation
562,438.62 : 776,163.87 = 307,787.58 : x - Step 2: Convert to fraction form
562,438.62/776,163.87 = 307,787.58/x - Step 3: Cross multiply
562,438.62x = 776,163.87 × 307,787.58 - Step 4: Simplify right side
562,438.62x = 238,893,599,230.74 - Step 5: Solve for x
x = 238,893,599,230.74/562,438.62 - Step 6: Final answer
x = 424,746.08
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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.