Finding the Fourth Proportional to 752,875.26, 1,038,968.67 and 408,711.02
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Solution
The fourth proportional to 752,875.26, 1,038,968.67 and 408,711.02 is: 564,021.65
Step by Step Solution
- Step 1: Write the proportion equation
752,875.26 : 1,038,968.67 = 408,711.02 : x - Step 2: Convert to fraction form
752,875.26/1,038,968.67 = 408,711.02/x - Step 3: Cross multiply
752,875.26x = 1,038,968.67 × 408,711.02 - Step 4: Simplify right side
752,875.26x = 424,637,941,201.57 - Step 5: Solve for x
x = 424,637,941,201.57/752,875.26 - Step 6: Final answer
x = 564,021.65
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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.