Finding the Fourth Proportional to 898,138.56, 1,239,246.21 and 516,091.53
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Solution
The fourth proportional to 898,138.56, 1,239,246.21 and 516,091.53 is: 712,100.00
Step by Step Solution
- Step 1: Write the proportion equation
898,138.56 : 1,239,246.21 = 516,091.53 : x - Step 2: Convert to fraction form
898,138.56/1,239,246.21 = 516,091.53/x - Step 3: Cross multiply
898,138.56x = 1,239,246.21 × 516,091.53 - Step 4: Simplify right side
898,138.56x = 639,564,472,565.60 - Step 5: Solve for x
x = 639,564,472,565.60/898,138.56 - Step 6: Final answer
x = 712,100.00
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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.