Finding the Fourth Proportional to 752,668.36, 1,038,673.50 and 408,504.92
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Solution
The fourth proportional to 752,668.36, 1,038,673.50 and 408,504.92 is: 563,731.99
Step by Step Solution
- Step 1: Write the proportion equation
752,668.36 : 1,038,673.50 = 408,504.92 : x - Step 2: Convert to fraction form
752,668.36/1,038,673.50 = 408,504.92/x - Step 3: Cross multiply
752,668.36x = 1,038,673.50 × 408,504.92 - Step 4: Simplify right side
752,668.36x = 424,303,235,023.62 - Step 5: Solve for x
x = 424,303,235,023.62/752,668.36 - Step 6: Final answer
x = 563,731.99
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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.