Finding the Fourth Proportional to 704,256.59, 971,896.10 and 398,326.99
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Solution
The fourth proportional to 704,256.59, 971,896.10 and 398,326.99 is: 549,703.68
Step by Step Solution
- Step 1: Write the proportion equation
704,256.59 : 971,896.10 = 398,326.99 : x - Step 2: Convert to fraction form
704,256.59/971,896.10 = 398,326.99/x - Step 3: Cross multiply
704,256.59x = 971,896.10 × 398,326.99 - Step 4: Simplify right side
704,256.59x = 387,132,443,465.31 - Step 5: Solve for x
x = 387,132,443,465.31/704,256.59 - Step 6: Final answer
x = 549,703.68
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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.