Finding the Fourth Proportional to 960,029.10, 1,440,043.65 and 711,197.10
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Solution
The fourth proportional to 960,029.10, 1,440,043.65 and 711,197.10 is: 1,066,795.65
Step by Step Solution
- Step 1: Write the proportion equation
960,029.10 : 1,440,043.65 = 711,197.10 : x - Step 2: Convert to fraction form
960,029.10/1,440,043.65 = 711,197.10/x - Step 3: Cross multiply
960,029.10x = 1,440,043.65 × 711,197.10 - Step 4: Simplify right side
960,029.10x = 1,024,154,867,753.41 - Step 5: Solve for x
x = 1,024,154,867,753.41/960,029.10 - Step 6: Final answer
x = 1,066,795.65
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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.