Finding the Fourth Proportional to 742,531.74, 1,024,694.81 and 402,999.99
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Solution
The fourth proportional to 742,531.74, 1,024,694.81 and 402,999.99 is: 556,140.53
Step by Step Solution
- Step 1: Write the proportion equation
742,531.74 : 1,024,694.81 = 402,999.99 : x - Step 2: Convert to fraction form
742,531.74/1,024,694.81 = 402,999.99/x - Step 3: Cross multiply
742,531.74x = 1,024,694.81 × 402,999.99 - Step 4: Simplify right side
742,531.74x = 412,951,996,168.05 - Step 5: Solve for x
x = 412,951,996,168.05/742,531.74 - Step 6: Final answer
x = 556,140.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.