Finding the Fourth Proportional to 869,082.10, 1,303,623.15 and 537,306.10
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Solution
The fourth proportional to 869,082.10, 1,303,623.15 and 537,306.10 is: 805,959.15
Step by Step Solution
- Step 1: Write the proportion equation
869,082.10 : 1,303,623.15 = 537,306.10 : x - Step 2: Convert to fraction form
869,082.10/1,303,623.15 = 537,306.10/x - Step 3: Cross multiply
869,082.10x = 1,303,623.15 × 537,306.10 - Step 4: Simplify right side
869,082.10x = 700,444,670,596.22 - Step 5: Solve for x
x = 700,444,670,596.22/869,082.10 - Step 6: Final answer
x = 805,959.15
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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.