Finding the Fourth Proportional to 1,048,921.41, 1,572,948.36 and 329,022.99
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Solution
The fourth proportional to 1,048,921.41, 1,572,948.36 and 329,022.99 is: 493,398.43
Step by Step Solution
- Step 1: Write the proportion equation
1,048,921.41 : 1,572,948.36 = 329,022.99 : x - Step 2: Convert to fraction form
1,048,921.41/1,572,948.36 = 329,022.99/x - Step 3: Cross multiply
1,048,921.41x = 1,572,948.36 × 329,022.99 - Step 4: Simplify right side
1,048,921.41x = 517,536,172,522.80 - Step 5: Solve for x
x = 517,536,172,522.80/1,048,921.41 - Step 6: Final answer
x = 493,398.43
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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.