Finding the Fourth Proportional to 1,012,807.80, 1,519,958.16 and 480,330.36
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Solution
The fourth proportional to 1,012,807.80, 1,519,958.16 and 480,330.36 is: 720,849.55
Step by Step Solution
- Step 1: Write the proportion equation
1,012,807.80 : 1,519,958.16 = 480,330.36 : x - Step 2: Convert to fraction form
1,012,807.80/1,519,958.16 = 480,330.36/x - Step 3: Cross multiply
1,012,807.80x = 1,519,958.16 × 480,330.36 - Step 4: Simplify right side
1,012,807.80x = 730,082,050,177.74 - Step 5: Solve for x
x = 730,082,050,177.74/1,012,807.80 - Step 6: Final answer
x = 720,849.55
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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.