Finding the Fourth Proportional to 782,061.36, 1,173,112.40 and 249,581.68
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Solution
The fourth proportional to 782,061.36, 1,173,112.40 and 249,581.68 is: 374,379.02
Step by Step Solution
- Step 1: Write the proportion equation
782,061.36 : 1,173,112.40 = 249,581.68 : x - Step 2: Convert to fraction form
782,061.36/1,173,112.40 = 249,581.68/x - Step 3: Cross multiply
782,061.36x = 1,173,112.40 × 249,581.68 - Step 4: Simplify right side
782,061.36x = 292,787,363,620.83 - Step 5: Solve for x
x = 292,787,363,620.83/782,061.36 - Step 6: Final answer
x = 374,379.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.