Finding the Fourth Proportional to 752,292.40, 1,038,164.76 and 412,763.08
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Solution
The fourth proportional to 752,292.40, 1,038,164.76 and 412,763.08 is: 569,613.74
Step by Step Solution
- Step 1: Write the proportion equation
752,292.40 : 1,038,164.76 = 412,763.08 : x - Step 2: Convert to fraction form
752,292.40/1,038,164.76 = 412,763.08/x - Step 3: Cross multiply
752,292.40x = 1,038,164.76 × 412,763.08 - Step 4: Simplify right side
752,292.40x = 428,516,083,885.06 - Step 5: Solve for x
x = 428,516,083,885.06/752,292.40 - Step 6: Final answer
x = 569,613.74
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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.