Finding the Fourth Proportional to 979,325.63, 1,349,246.27 and 757,801.28
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Solution
The fourth proportional to 979,325.63, 1,349,246.27 and 757,801.28 is: 1,044,045.53
Step by Step Solution
- Step 1: Write the proportion equation
979,325.63 : 1,349,246.27 = 757,801.28 : x - Step 2: Convert to fraction form
979,325.63/1,349,246.27 = 757,801.28/x - Step 3: Cross multiply
979,325.63x = 1,349,246.27 × 757,801.28 - Step 4: Simplify right side
979,325.63x = 1,022,460,539,905.99 - Step 5: Solve for x
x = 1,022,460,539,905.99/979,325.63 - Step 6: Final answer
x = 1,044,045.53
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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.