Finding the Fourth Proportional to 571,226.25, 788,292.23 and 316,593.84
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Solution
The fourth proportional to 571,226.25, 788,292.23 and 316,593.84 is: 436,899.50
Step by Step Solution
- Step 1: Write the proportion equation
571,226.25 : 788,292.23 = 316,593.84 : x - Step 2: Convert to fraction form
571,226.25/788,292.23 = 316,593.84/x - Step 3: Cross multiply
571,226.25x = 788,292.23 × 316,593.84 - Step 4: Simplify right side
571,226.25x = 249,568,462,554.89 - Step 5: Solve for x
x = 249,568,462,554.89/571,226.25 - Step 6: Final answer
x = 436,899.50
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1.5x scale
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.