Finding the Fourth Proportional to 742,282.73, 1,024,362.07 and 402,750.98
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Solution
The fourth proportional to 742,282.73, 1,024,362.07 and 402,750.98 is: 555,802.81
Step by Step Solution
- Step 1: Write the proportion equation
742,282.73 : 1,024,362.07 = 402,750.98 : x - Step 2: Convert to fraction form
742,282.73/1,024,362.07 = 402,750.98/x - Step 3: Cross multiply
742,282.73x = 1,024,362.07 × 402,750.98 - Step 4: Simplify right side
742,282.73x = 412,562,821,438.64 - Step 5: Solve for x
x = 412,562,821,438.64/742,282.73 - Step 6: Final answer
x = 555,802.81
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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.