Finding the Fourth Proportional to 734,266.40, 1,101,399.68 and 260,970.48
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Solution
The fourth proportional to 734,266.40, 1,101,399.68 and 260,970.48 is: 391,455.75
Step by Step Solution
- Step 1: Write the proportion equation
734,266.40 : 1,101,399.68 = 260,970.48 : x - Step 2: Convert to fraction form
734,266.40/1,101,399.68 = 260,970.48/x - Step 3: Cross multiply
734,266.40x = 1,101,399.68 × 260,970.48 - Step 4: Simplify right side
734,266.40x = 287,432,803,161.45 - Step 5: Solve for x
x = 287,432,803,161.45/734,266.40 - Step 6: Final answer
x = 391,455.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.