Finding the Fourth Proportional to 854,542.05, 1,281,011.18 and 322,420.65
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Solution
The fourth proportional to 854,542.05, 1,281,011.18 and 322,420.65 is: 483,328.42
Step by Step Solution
- Step 1: Write the proportion equation
854,542.05 : 1,281,011.18 = 322,420.65 : x - Step 2: Convert to fraction form
854,542.05/1,281,011.18 = 322,420.65/x - Step 3: Cross multiply
854,542.05x = 1,281,011.18 × 322,420.65 - Step 4: Simplify right side
854,542.05x = 413,024,455,700.76 - Step 5: Solve for x
x = 413,024,455,700.76/854,542.05 - Step 6: Final answer
x = 483,328.42
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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.