Finding the Fourth Proportional to 742,368.94, 1,024,471.87 and 402,837.19
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Solution
The fourth proportional to 742,368.94, 1,024,471.87 and 402,837.19 is: 555,916.80
Step by Step Solution
- Step 1: Write the proportion equation
742,368.94 : 1,024,471.87 = 402,837.19 : x - Step 2: Convert to fraction form
742,368.94/1,024,471.87 = 402,837.19/x - Step 3: Cross multiply
742,368.94x = 1,024,471.87 × 402,837.19 - Step 4: Simplify right side
742,368.94x = 412,695,365,776.57 - Step 5: Solve for x
x = 412,695,365,776.57/742,368.94 - Step 6: Final answer
x = 555,916.80
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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.