Finding the Fourth Proportional to 752,247.26, 1,038,101.21 and 429,964.28
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Solution
The fourth proportional to 752,247.26, 1,038,101.21 and 429,964.28 is: 593,350.70
Step by Step Solution
- Step 1: Write the proportion equation
752,247.26 : 1,038,101.21 = 429,964.28 : x - Step 2: Convert to fraction form
752,247.26/1,038,101.21 = 429,964.28/x - Step 3: Cross multiply
752,247.26x = 1,038,101.21 × 429,964.28 - Step 4: Simplify right side
752,247.26x = 446,346,433,360.76 - Step 5: Solve for x
x = 446,346,433,360.76/752,247.26 - Step 6: Final answer
x = 593,350.70
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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.