Finding the Fourth Proportional to 761,197.10, 1,050,443.12 and 412,330.94
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Solution
The fourth proportional to 761,197.10, 1,050,443.12 and 412,330.94 is: 569,011.89
Step by Step Solution
- Step 1: Write the proportion equation
761,197.10 : 1,050,443.12 = 412,330.94 : x - Step 2: Convert to fraction form
761,197.10/1,050,443.12 = 412,330.94/x - Step 3: Cross multiply
761,197.10x = 1,050,443.12 × 412,330.94 - Step 4: Simplify right side
761,197.10x = 433,130,199,086.13 - Step 5: Solve for x
x = 433,130,199,086.13/761,197.10 - Step 6: Final answer
x = 569,011.89
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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.