Finding the Fourth Proportional to 752,366.07, 1,038,265.02 and 430,083.09
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Solution
The fourth proportional to 752,366.07, 1,038,265.02 and 430,083.09 is: 593,514.57
Step by Step Solution
- Step 1: Write the proportion equation
752,366.07 : 1,038,265.02 = 430,083.09 : x - Step 2: Convert to fraction form
752,366.07/1,038,265.02 = 430,083.09/x - Step 3: Cross multiply
752,366.07x = 1,038,265.02 × 430,083.09 - Step 4: Simplify right side
752,366.07x = 446,540,228,040.51 - Step 5: Solve for x
x = 446,540,228,040.51/752,366.07 - Step 6: Final answer
x = 593,514.57
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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.