Finding the Fourth Proportional to 877,557.13, 1,316,335.69 and 212,709.13
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Solution
The fourth proportional to 877,557.13, 1,316,335.69 and 212,709.13 is: 319,063.69
Step by Step Solution
- Step 1: Write the proportion equation
877,557.13 : 1,316,335.69 = 212,709.13 : x - Step 2: Convert to fraction form
877,557.13/1,316,335.69 = 212,709.13/x - Step 3: Cross multiply
877,557.13x = 1,316,335.69 × 212,709.13 - Step 4: Simplify right side
877,557.13x = 279,996,619,407.85 - Step 5: Solve for x
x = 279,996,619,407.85/877,557.13 - Step 6: Final answer
x = 319,063.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.