Finding the Fourth Proportional to 979,320.87, 1,349,239.71 and 757,796.53
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Solution
The fourth proportional to 979,320.87, 1,349,239.71 and 757,796.53 is: 1,044,038.98
Step by Step Solution
- Step 1: Write the proportion equation
979,320.87 : 1,349,239.71 = 757,796.53 : x - Step 2: Convert to fraction form
979,320.87/1,349,239.71 = 757,796.53/x - Step 3: Cross multiply
979,320.87x = 1,349,239.71 × 757,796.53 - Step 4: Simplify right side
979,320.87x = 1,022,449,163,630.01 - Step 5: Solve for x
x = 1,022,449,163,630.01/979,320.87 - Step 6: Final answer
x = 1,044,038.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.