Finding the Fourth Proportional to 932,603.70, 1,398,905.55 and 911,867.70
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Solution
The fourth proportional to 932,603.70, 1,398,905.55 and 911,867.70 is: 1,367,801.55
Step by Step Solution
- Step 1: Write the proportion equation
932,603.70 : 1,398,905.55 = 911,867.70 : x - Step 2: Convert to fraction form
932,603.70/1,398,905.55 = 911,867.70/x - Step 3: Cross multiply
932,603.70x = 1,398,905.55 × 911,867.70 - Step 4: Simplify right side
932,603.70x = 1,275,616,786,395.73 - Step 5: Solve for x
x = 1,275,616,786,395.73/932,603.70 - Step 6: Final answer
x = 1,367,801.55
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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.