Finding the Fourth Proportional to 977,690.70, 1,466,536.05 and 942,261.30
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Solution
The fourth proportional to 977,690.70, 1,466,536.05 and 942,261.30 is: 1,413,391.95
Step by Step Solution
- Step 1: Write the proportion equation
977,690.70 : 1,466,536.05 = 942,261.30 : x - Step 2: Convert to fraction form
977,690.70/1,466,536.05 = 942,261.30/x - Step 3: Cross multiply
977,690.70x = 1,466,536.05 × 942,261.30 - Step 4: Simplify right side
977,690.70x = 1,381,860,164,969.87 - Step 5: Solve for x
x = 1,381,860,164,969.87/977,690.70 - Step 6: Final answer
x = 1,413,391.95
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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.