Finding the Fourth Proportional to 980,719.36, 1,470,348.42 and 412,266.76
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Solution
The fourth proportional to 980,719.36, 1,470,348.42 and 412,266.76 is: 618,093.01
Step by Step Solution
- Step 1: Write the proportion equation
980,719.36 : 1,470,348.42 = 412,266.76 : x - Step 2: Convert to fraction form
980,719.36/1,470,348.42 = 412,266.76/x - Step 3: Cross multiply
980,719.36x = 1,470,348.42 × 412,266.76 - Step 4: Simplify right side
980,719.36x = 606,175,779,184.52 - Step 5: Solve for x
x = 606,175,779,184.52/980,719.36 - Step 6: Final answer
x = 618,093.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.