Finding the Fourth Proportional to 752,447.07, 1,038,325.84 and 412,937.19
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Solution
The fourth proportional to 752,447.07, 1,038,325.84 and 412,937.19 is: 569,825.27
Step by Step Solution
- Step 1: Write the proportion equation
752,447.07 : 1,038,325.84 = 412,937.19 : x - Step 2: Convert to fraction form
752,447.07/1,038,325.84 = 412,937.19/x - Step 3: Cross multiply
752,447.07x = 1,038,325.84 × 412,937.19 - Step 4: Simplify right side
752,447.07x = 428,763,353,641.65 - Step 5: Solve for x
x = 428,763,353,641.65/752,447.07 - Step 6: Final answer
x = 569,825.27
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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.