Finding the Fourth Proportional to 885,358.42, 1,221,671.37 and 503,342.98
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Solution
The fourth proportional to 885,358.42, 1,221,671.37 and 503,342.98 is: 694,543.24
Step by Step Solution
- Step 1: Write the proportion equation
885,358.42 : 1,221,671.37 = 503,342.98 : x - Step 2: Convert to fraction form
885,358.42/1,221,671.37 = 503,342.98/x - Step 3: Cross multiply
885,358.42x = 1,221,671.37 × 503,342.98 - Step 4: Simplify right side
885,358.42x = 614,919,707,956.48 - Step 5: Solve for x
x = 614,919,707,956.48/885,358.42 - Step 6: Final answer
x = 694,543.24
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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.