Finding the Fourth Proportional to 510,669.12, 704,679.84 and 284,335.68
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Solution
The fourth proportional to 510,669.12, 704,679.84 and 284,335.68 is: 392,358.99
Step by Step Solution
- Step 1: Write the proportion equation
510,669.12 : 704,679.84 = 284,335.68 : x - Step 2: Convert to fraction form
510,669.12/704,679.84 = 284,335.68/x - Step 3: Cross multiply
510,669.12x = 704,679.84 × 284,335.68 - Step 4: Simplify right side
510,669.12x = 200,365,621,488.69 - Step 5: Solve for x
x = 200,365,621,488.69/510,669.12 - Step 6: Final answer
x = 392,358.99
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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.