Finding the Fourth Proportional to 867,556.20, 1,301,334.30 and 563,125.80
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Solution
The fourth proportional to 867,556.20, 1,301,334.30 and 563,125.80 is: 844,688.70
Step by Step Solution
- Step 1: Write the proportion equation
867,556.20 : 1,301,334.30 = 563,125.80 : x - Step 2: Convert to fraction form
867,556.20/1,301,334.30 = 563,125.80/x - Step 3: Cross multiply
867,556.20x = 1,301,334.30 × 563,125.80 - Step 4: Simplify right side
867,556.20x = 732,814,918,754.94 - Step 5: Solve for x
x = 732,814,918,754.94/867,556.20 - Step 6: Final answer
x = 844,688.70
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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.