Finding the Fourth Proportional to 757,875.63, 1,045,869.30 and 418,343.88
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Solution
The fourth proportional to 757,875.63, 1,045,869.30 and 418,343.88 is: 577,315.07
Step by Step Solution
- Step 1: Write the proportion equation
757,875.63 : 1,045,869.30 = 418,343.88 : x - Step 2: Convert to fraction form
757,875.63/1,045,869.30 = 418,343.88/x - Step 3: Cross multiply
757,875.63x = 1,045,869.30 × 418,343.88 - Step 4: Simplify right side
757,875.63x = 437,533,020,934.88 - Step 5: Solve for x
x = 437,533,020,934.88/757,875.63 - Step 6: Final answer
x = 577,315.07
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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.