Finding the Fourth Proportional to 977,074.88, 1,348,362.41 and 547,358.09
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Solution
The fourth proportional to 977,074.88, 1,348,362.41 and 547,358.09 is: 755,353.64
Step by Step Solution
- Step 1: Write the proportion equation
977,074.88 : 1,348,362.41 = 547,358.09 : x - Step 2: Convert to fraction form
977,074.88/1,348,362.41 = 547,358.09/x - Step 3: Cross multiply
977,074.88x = 1,348,362.41 × 547,358.09 - Step 4: Simplify right side
977,074.88x = 738,037,065,426.24 - Step 5: Solve for x
x = 738,037,065,426.24/977,074.88 - Step 6: Final answer
x = 755,353.64
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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.