Finding the Fourth Proportional to 539,446.97, 744,433.14 and 297,729.54
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Solution
The fourth proportional to 539,446.97, 744,433.14 and 297,729.54 is: 410,864.74
Step by Step Solution
- Step 1: Write the proportion equation
539,446.97 : 744,433.14 = 297,729.54 : x - Step 2: Convert to fraction form
539,446.97/744,433.14 = 297,729.54/x - Step 3: Cross multiply
539,446.97x = 744,433.14 × 297,729.54 - Step 4: Simplify right side
539,446.97x = 221,639,736,332.96 - Step 5: Solve for x
x = 221,639,736,332.96/539,446.97 - Step 6: Final answer
x = 410,864.74
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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.