Finding the Fourth Proportional to 899,073.62, 1,240,745.94 and 536,707.79
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Solution
The fourth proportional to 899,073.62, 1,240,745.94 and 536,707.79 is: 740,671.28
Step by Step Solution
- Step 1: Write the proportion equation
899,073.62 : 1,240,745.94 = 536,707.79 : x - Step 2: Convert to fraction form
899,073.62/1,240,745.94 = 536,707.79/x - Step 3: Cross multiply
899,073.62x = 1,240,745.94 × 536,707.79 - Step 4: Simplify right side
899,073.62x = 665,918,009,857.94 - Step 5: Solve for x
x = 665,918,009,857.94/899,073.62 - Step 6: Final answer
x = 740,671.28
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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.