Finding the Fourth Proportional to 899,164.02, 1,240,831.83 and 491,257.08
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Solution
The fourth proportional to 899,164.02, 1,240,831.83 and 491,257.08 is: 677,926.84
Step by Step Solution
- Step 1: Write the proportion equation
899,164.02 : 1,240,831.83 = 491,257.08 : x - Step 2: Convert to fraction form
899,164.02/1,240,831.83 = 491,257.08/x - Step 3: Cross multiply
899,164.02x = 1,240,831.83 × 491,257.08 - Step 4: Simplify right side
899,164.02x = 609,567,424,387.76 - Step 5: Solve for x
x = 609,567,424,387.76/899,164.02 - Step 6: Final answer
x = 677,926.84
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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.