Finding the Fourth Proportional to 986,775.80, 1,480,163.70 and 977,444.60
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Solution
The fourth proportional to 986,775.80, 1,480,163.70 and 977,444.60 is: 1,466,166.90
Step by Step Solution
- Step 1: Write the proportion equation
986,775.80 : 1,480,163.70 = 977,444.60 : x - Step 2: Convert to fraction form
986,775.80/1,480,163.70 = 977,444.60/x - Step 3: Cross multiply
986,775.80x = 1,480,163.70 × 977,444.60 - Step 4: Simplify right side
986,775.80x = 1,446,778,015,681.02 - Step 5: Solve for x
x = 1,446,778,015,681.02/986,775.80 - Step 6: Final answer
x = 1,466,166.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.