Finding the Fourth Proportional to 979,877.42, 1,352,185.14 and 544,323
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Solution
The fourth proportional to 979,877.42, 1,352,185.14 and 544,323 is: 751,140.35
Step by Step Solution
- Step 1: Write the proportion equation
979,877.42 : 1,352,185.14 = 544,323 : x - Step 2: Convert to fraction form
979,877.42/1,352,185.14 = 544,323/x - Step 3: Cross multiply
979,877.42x = 1,352,185.14 × 544,323 - Step 4: Simplify right side
979,877.42x = 736,025,471,960.22 - Step 5: Solve for x
x = 736,025,471,960.22/979,877.42 - Step 6: Final answer
x = 751,140.35
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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.