Finding the Fourth Proportional to 753,451.80, 1,130,177.70 and 310,219.80
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Solution
The fourth proportional to 753,451.80, 1,130,177.70 and 310,219.80 is: 465,329.70
Step by Step Solution
- Step 1: Write the proportion equation
753,451.80 : 1,130,177.70 = 310,219.80 : x - Step 2: Convert to fraction form
753,451.80/1,130,177.70 = 310,219.80/x - Step 3: Cross multiply
753,451.80x = 1,130,177.70 × 310,219.80 - Step 4: Simplify right side
753,451.80x = 350,603,500,058.46 - Step 5: Solve for x
x = 350,603,500,058.46/753,451.80 - Step 6: Final answer
x = 465,329.70
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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.