Finding the Fourth Proportional to 510,042.36, 704,006.68 and 340,276.08
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Solution
The fourth proportional to 510,042.36, 704,006.68 and 340,276.08 is: 469,679.88
Step by Step Solution
- Step 1: Write the proportion equation
510,042.36 : 704,006.68 = 340,276.08 : x - Step 2: Convert to fraction form
510,042.36/704,006.68 = 340,276.08/x - Step 3: Cross multiply
510,042.36x = 704,006.68 × 340,276.08 - Step 4: Simplify right side
510,042.36x = 239,556,633,364.21 - Step 5: Solve for x
x = 239,556,633,364.21/510,042.36 - Step 6: Final answer
x = 469,679.88
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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.