Finding the Fourth Proportional to 522,029.70, 783,044.55 and 312,077.70
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Solution
The fourth proportional to 522,029.70, 783,044.55 and 312,077.70 is: 468,116.55
Step by Step Solution
- Step 1: Write the proportion equation
522,029.70 : 783,044.55 = 312,077.70 : x - Step 2: Convert to fraction form
522,029.70/783,044.55 = 312,077.70/x - Step 3: Cross multiply
522,029.70x = 783,044.55 × 312,077.70 - Step 4: Simplify right side
522,029.70x = 244,370,742,161.54 - Step 5: Solve for x
x = 244,370,742,161.54/522,029.70 - Step 6: Final answer
x = 468,116.55
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Similar ratio
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1.5x scale
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.