Finding the Fourth Proportional to 912,235.81, 1,259,085.26 and 530,482.81
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Solution
The fourth proportional to 912,235.81, 1,259,085.26 and 530,482.81 is: 732,182.49
Step by Step Solution
- Step 1: Write the proportion equation
912,235.81 : 1,259,085.26 = 530,482.81 : x - Step 2: Convert to fraction form
912,235.81/1,259,085.26 = 530,482.81/x - Step 3: Cross multiply
912,235.81x = 1,259,085.26 × 530,482.81 - Step 4: Simplify right side
912,235.81x = 667,923,086,754.38 - Step 5: Solve for x
x = 667,923,086,754.38/912,235.81 - Step 6: Final answer
x = 732,182.49
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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.