Finding the Fourth Proportional to 889,719.80, 1,334,579.70 and 889,719.80
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Solution
The fourth proportional to 889,719.80, 1,334,579.70 and 889,719.80 is: 1,334,579.70
Step by Step Solution
- Step 1: Write the proportion equation
889,719.80 : 1,334,579.70 = 889,719.80 : x - Step 2: Convert to fraction form
889,719.80/1,334,579.70 = 889,719.80/x - Step 3: Cross multiply
889,719.80x = 1,334,579.70 × 889,719.80 - Step 4: Simplify right side
889,719.80x = 1,187,401,983,768.06 - Step 5: Solve for x
x = 1,187,401,983,768.06/889,719.80 - Step 6: Final answer
x = 1,334,579.70
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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.