Finding the Fourth Proportional to 960,029.20, 1,440,043.80 and 711,197.20
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Solution
The fourth proportional to 960,029.20, 1,440,043.80 and 711,197.20 is: 1,066,795.80
Step by Step Solution
- Step 1: Write the proportion equation
960,029.20 : 1,440,043.80 = 711,197.20 : x - Step 2: Convert to fraction form
960,029.20/1,440,043.80 = 711,197.20/x - Step 3: Cross multiply
960,029.20x = 1,440,043.80 × 711,197.20 - Step 4: Simplify right side
960,029.20x = 1,024,155,118,437.36 - Step 5: Solve for x
x = 1,024,155,118,437.36/960,029.20 - Step 6: Final answer
x = 1,066,795.80
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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.