Finding the Fourth Proportional to 975,351.34, 1,345,986.84 and 545,638.66
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Solution
The fourth proportional to 975,351.34, 1,345,986.84 and 545,638.66 is: 752,982.46
Step by Step Solution
- Step 1: Write the proportion equation
975,351.34 : 1,345,986.84 = 545,638.66 : x - Step 2: Convert to fraction form
975,351.34/1,345,986.84 = 545,638.66/x - Step 3: Cross multiply
975,351.34x = 1,345,986.84 × 545,638.66 - Step 4: Simplify right side
975,351.34x = 734,422,455,755.24 - Step 5: Solve for x
x = 734,422,455,755.24/975,351.34 - Step 6: Final answer
x = 752,982.46
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1.5x scale
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.