Finding the Fourth Proportional to 761,032.38, 1,141,547.79 and 311,754.09
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Solution
The fourth proportional to 761,032.38, 1,141,547.79 and 311,754.09 is: 467,630.82
Step by Step Solution
- Step 1: Write the proportion equation
761,032.38 : 1,141,547.79 = 311,754.09 : x - Step 2: Convert to fraction form
761,032.38/1,141,547.79 = 311,754.09/x - Step 3: Cross multiply
761,032.38x = 1,141,547.79 × 311,754.09 - Step 4: Simplify right side
761,032.38x = 355,882,192,462.96 - Step 5: Solve for x
x = 355,882,192,462.96/761,032.38 - Step 6: Final answer
x = 467,630.82
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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.