Finding the Fourth Proportional to 930,071.06, 1,283,414.37 and 542,920.08
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Solution
The fourth proportional to 930,071.06, 1,283,414.37 and 542,920.08 is: 749,180.86
Step by Step Solution
- Step 1: Write the proportion equation
930,071.06 : 1,283,414.37 = 542,920.08 : x - Step 2: Convert to fraction form
930,071.06/1,283,414.37 = 542,920.08/x - Step 3: Cross multiply
930,071.06x = 1,283,414.37 × 542,920.08 - Step 4: Simplify right side
930,071.06x = 696,791,432,433.55 - Step 5: Solve for x
x = 696,791,432,433.55/930,071.06 - Step 6: Final answer
x = 749,180.86
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1.5x scale
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.