Finding the Fourth Proportional to 916,727.19, 1,265,065.49 and 508,833.92
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Solution
The fourth proportional to 916,727.19, 1,265,065.49 and 508,833.92 is: 702,180.80
Step by Step Solution
- Step 1: Write the proportion equation
916,727.19 : 1,265,065.49 = 508,833.92 : x - Step 2: Convert to fraction form
916,727.19/1,265,065.49 = 508,833.92/x - Step 3: Cross multiply
916,727.19x = 1,265,065.49 × 508,833.92 - Step 4: Simplify right side
916,727.19x = 643,708,229,652.18 - Step 5: Solve for x
x = 643,708,229,652.18/916,727.19 - Step 6: Final answer
x = 702,180.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.