Finding the Fourth Proportional to 834,782.66, 1,251,927.74 and 355,009.56
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Solution
The fourth proportional to 834,782.66, 1,251,927.74 and 355,009.56 is: 532,409.62
Step by Step Solution
- Step 1: Write the proportion equation
834,782.66 : 1,251,927.74 = 355,009.56 : x - Step 2: Convert to fraction form
834,782.66/1,251,927.74 = 355,009.56/x - Step 3: Cross multiply
834,782.66x = 1,251,927.74 × 355,009.56 - Step 4: Simplify right side
834,782.66x = 444,446,316,129.19 - Step 5: Solve for x
x = 444,446,316,129.19/834,782.66 - Step 6: Final answer
x = 532,409.62
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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.