Finding the Fourth Proportional to 607,511.80, 911,267.70 and 495,318.70
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Solution
The fourth proportional to 607,511.80, 911,267.70 and 495,318.70 is: 742,978.05
Step by Step Solution
- Step 1: Write the proportion equation
607,511.80 : 911,267.70 = 495,318.70 : x - Step 2: Convert to fraction form
607,511.80/911,267.70 = 495,318.70/x - Step 3: Cross multiply
607,511.80x = 911,267.70 × 495,318.70 - Step 4: Simplify right side
607,511.80x = 451,367,932,515.99 - Step 5: Solve for x
x = 451,367,932,515.99/607,511.80 - Step 6: Final answer
x = 742,978.05
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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.