Finding the Fourth Proportional to 899,803.87, 1,241,744.10 and 537,259.42
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Solution
The fourth proportional to 899,803.87, 1,241,744.10 and 537,259.42 is: 741,426.80
Step by Step Solution
- Step 1: Write the proportion equation
899,803.87 : 1,241,744.10 = 537,259.42 : x - Step 2: Convert to fraction form
899,803.87/1,241,744.10 = 537,259.42/x - Step 3: Cross multiply
899,803.87x = 1,241,744.10 × 537,259.42 - Step 4: Simplify right side
899,803.87x = 667,138,710,529.15 - Step 5: Solve for x
x = 667,138,710,529.15/899,803.87 - Step 6: Final answer
x = 741,426.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.