Finding the Fourth Proportional to 962,207.12, 1,327,849.28 and 520,681.68
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Solution
The fourth proportional to 962,207.12, 1,327,849.28 and 520,681.68 is: 718,542.59
Step by Step Solution
- Step 1: Write the proportion equation
962,207.12 : 1,327,849.28 = 520,681.68 : x - Step 2: Convert to fraction form
962,207.12/1,327,849.28 = 520,681.68/x - Step 3: Cross multiply
962,207.12x = 1,327,849.28 × 520,681.68 - Step 4: Simplify right side
962,207.12x = 691,386,793,897.19 - Step 5: Solve for x
x = 691,386,793,897.19/962,207.12 - Step 6: Final answer
x = 718,542.59
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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.