Finding the Fourth Proportional to 977,798.52, 1,466,634.84 and 338,084.84
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Solution
The fourth proportional to 977,798.52, 1,466,634.84 and 338,084.84 is: 507,105.50
Step by Step Solution
- Step 1: Write the proportion equation
977,798.52 : 1,466,634.84 = 338,084.84 : x - Step 2: Convert to fraction form
977,798.52/1,466,634.84 = 338,084.84/x - Step 3: Cross multiply
977,798.52x = 1,466,634.84 × 338,084.84 - Step 4: Simplify right side
977,798.52x = 495,847,005,219.83 - Step 5: Solve for x
x = 495,847,005,219.83/977,798.52 - Step 6: Final answer
x = 507,105.50
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1.5x scale
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.