Finding the Fourth Proportional to 752,391.54, 1,038,286.62 and 425,701.08
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Solution
The fourth proportional to 752,391.54, 1,038,286.62 and 425,701.08 is: 587,459.74
Step by Step Solution
- Step 1: Write the proportion equation
752,391.54 : 1,038,286.62 = 425,701.08 : x - Step 2: Convert to fraction form
752,391.54/1,038,286.62 = 425,701.08/x - Step 3: Cross multiply
752,391.54x = 1,038,286.62 × 425,701.08 - Step 4: Simplify right side
752,391.54x = 441,999,735,483.55 - Step 5: Solve for x
x = 441,999,735,483.55/752,391.54 - Step 6: Final answer
x = 587,459.74
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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.