Finding the Fourth Proportional to 869,101.80, 1,303,652.70 and 729,133.80
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Solution
The fourth proportional to 869,101.80, 1,303,652.70 and 729,133.80 is: 1,093,700.70
Step by Step Solution
- Step 1: Write the proportion equation
869,101.80 : 1,303,652.70 = 729,133.80 : x - Step 2: Convert to fraction form
869,101.80/1,303,652.70 = 729,133.80/x - Step 3: Cross multiply
869,101.80x = 1,303,652.70 × 729,133.80 - Step 4: Simplify right side
869,101.80x = 950,537,247,031.26 - Step 5: Solve for x
x = 950,537,247,031.26/869,101.80 - Step 6: Final answer
x = 1,093,700.70
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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.