Finding the Fourth Proportional to 571,155.93, 787,941.99 and 329,380.65
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Solution
The fourth proportional to 571,155.93, 787,941.99 and 329,380.65 is: 454,399.28
Step by Step Solution
- Step 1: Write the proportion equation
571,155.93 : 787,941.99 = 329,380.65 : x - Step 2: Convert to fraction form
571,155.93/787,941.99 = 329,380.65/x - Step 3: Cross multiply
571,155.93x = 787,941.99 × 329,380.65 - Step 4: Simplify right side
571,155.93x = 259,532,844,828.49 - Step 5: Solve for x
x = 259,532,844,828.49/571,155.93 - Step 6: Final answer
x = 454,399.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.