Finding the Fourth Proportional to 898,135.56, 1,239,242.06 and 516,088.53
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Solution
The fourth proportional to 898,135.56, 1,239,242.06 and 516,088.53 is: 712,095.86
Step by Step Solution
- Step 1: Write the proportion equation
898,135.56 : 1,239,242.06 = 516,088.53 : x - Step 2: Convert to fraction form
898,135.56/1,239,242.06 = 516,088.53/x - Step 3: Cross multiply
898,135.56x = 1,239,242.06 × 516,088.53 - Step 4: Simplify right side
898,135.56x = 639,558,615,573.56 - Step 5: Solve for x
x = 639,558,615,573.56/898,135.56 - Step 6: Final answer
x = 712,095.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.