Finding the Fourth Proportional to 979,959.58, 1,352,411.08 and 544,427.98
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Solution
The fourth proportional to 979,959.58, 1,352,411.08 and 544,427.98 is: 751,347.76
Step by Step Solution
- Step 1: Write the proportion equation
979,959.58 : 1,352,411.08 = 544,427.98 : x - Step 2: Convert to fraction form
979,959.58/1,352,411.08 = 544,427.98/x - Step 3: Cross multiply
979,959.58x = 1,352,411.08 × 544,427.98 - Step 4: Simplify right side
979,959.58x = 736,290,432,414.02 - Step 5: Solve for x
x = 736,290,432,414.02/979,959.58 - Step 6: Final answer
x = 751,347.76
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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.