Finding the Fourth Proportional to 835,421.31, 1,152,881.51 and 453,447.99
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Solution
The fourth proportional to 835,421.31, 1,152,881.51 and 453,447.99 is: 625,758.28
Step by Step Solution
- Step 1: Write the proportion equation
835,421.31 : 1,152,881.51 = 453,447.99 : x - Step 2: Convert to fraction form
835,421.31/1,152,881.51 = 453,447.99/x - Step 3: Cross multiply
835,421.31x = 1,152,881.51 × 453,447.99 - Step 4: Simplify right side
835,421.31x = 522,771,801,150.43 - Step 5: Solve for x
x = 522,771,801,150.43/835,421.31 - Step 6: Final answer
x = 625,758.28
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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.