Finding the Fourth Proportional to 977,879.68, 1,349,530.72 and 548,298.08
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Solution
The fourth proportional to 977,879.68, 1,349,530.72 and 548,298.08 is: 756,683.18
Step by Step Solution
- Step 1: Write the proportion equation
977,879.68 : 1,349,530.72 = 548,298.08 : x - Step 2: Convert to fraction form
977,879.68/1,349,530.72 = 548,298.08/x - Step 3: Cross multiply
977,879.68x = 1,349,530.72 × 548,298.08 - Step 4: Simplify right side
977,879.68x = 739,945,102,677.02 - Step 5: Solve for x
x = 739,945,102,677.02/977,879.68 - Step 6: Final answer
x = 756,683.18
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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.