Finding the Fourth Proportional to 974,128.06, 1,344,338.26 and 544,408.18
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Solution
The fourth proportional to 974,128.06, 1,344,338.26 and 544,408.18 is: 751,306.50
Step by Step Solution
- Step 1: Write the proportion equation
974,128.06 : 1,344,338.26 = 544,408.18 : x - Step 2: Convert to fraction form
974,128.06/1,344,338.26 = 544,408.18/x - Step 3: Cross multiply
974,128.06x = 1,344,338.26 × 544,408.18 - Step 4: Simplify right side
974,128.06x = 731,868,745,430.97 - Step 5: Solve for x
x = 731,868,745,430.97/974,128.06 - Step 6: Final answer
x = 751,306.50
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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.