Finding the Fourth Proportional to 572,726.96, 790,268.30 and 331,032.08
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Solution
The fourth proportional to 572,726.96, 790,268.30 and 331,032.08 is: 456,769.42
Step by Step Solution
- Step 1: Write the proportion equation
572,726.96 : 790,268.30 = 331,032.08 : x - Step 2: Convert to fraction form
572,726.96/790,268.30 = 331,032.08/x - Step 3: Cross multiply
572,726.96x = 790,268.30 × 331,032.08 - Step 4: Simplify right side
572,726.96x = 261,604,159,107.06 - Step 5: Solve for x
x = 261,604,159,107.06/572,726.96 - Step 6: Final answer
x = 456,769.42
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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.